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The following lists the key subject areas for this British Standards module.
Click the links to view the associated British Standards for each area.
Aerospace fluid systems and components, Aircraft & aerospace engineering ( Module 30 )

BS 185-10:1970Glossary of aeronautical and astronautical terms. Auxiliary services
BS 2M 49:1997* ISO 3323:1987Aircraft. Hydraulic components. Marking to indicate fluid for which component is approved
BS 2M 51:1989* ISO 6771:1987Classification for pressure and temperature for fluid systems and components
BS 2M 52:1989* ISO 6772:1988Method for impulse testing of hydraulic hose, tubing and fitting assemblies for aerospace fluid systems
BS 2M 53:1997* ISO 6773:1994Aircraft. Fluid systems. Thermal shock testing of piping and fittings
BS 2M 59:1993* ISO 7319:1992Specification for interface of metric couplings, 24° cone, for aerospace fluid systems
BS 2M 60:1993* ISO 7169:1993Specification for separable tube fittings, 24° cone, for aerospace fluid systems
BS 2M 63:1993* ISO 7320:1992Specification for dimensions of aerospace fluid system port connection, seal and fitting end
BS 3M 60:1998* ISO 7169:1998Separable tube fittings for fluid systems, 24° cone. General specification
BS 5M 23:1987* ISO 12-1987Specification for an identification scheme for pipelines
BS 5N 100-7:2002Aircraft oxygen systems and equipment. Guide to cleaning labelling and packaging
BS C 18:1976Specification for V-flange couplings for aircraft piping and ducting - metric series
BS EN 2328:1990Specification for washers, tab for flight control rods. Dimensions
BS EN 2348:1989Specification for control cable assemblies. Technical specification
BS EN 2357:1989Specification for stud-ends in corrosion resisting steel swaged on type, control cable. Dimensions and loads
BS EN 2358:1989Specification for eye-ends in corrosion resisting steel swaged on type, control cable. Dimensions and loads
BS EN 2359:1989Specification for fork-ends in corrosion resisting steel swaged on type, control cable. Dimensions and loads
BS EN 2360:1989Specification for fork-ends for rolling bearings in corrosion resisting steel swaged on type, control cable. Dimensions and loads
BS EN 2361:1989Specification for ball-ends, double shank in corrosion resisting steel swaged on type, control cable. Dimensions and loads
BS EN 2362:1989Specification for ball-ends in corrosion resisting steel swaged on type, control cable. Dimensions and loads
BS EN 2622:2001Aerospace Series. Circular tubes, for fluids in heat resisting alloys. Diameter 3,2 mm ≤ D ≤ 100 mm. Dimensions
BS EN 2624:2007Aerospace series. Pressure impulse testing of hydraulic system components
BS EN 2641:1989Specification for control cable assemblies. Combinations and dimensions
BS EN 2656:2001Aerospace series. Pipe coupling. Coupling end, welded. Geometric configuration
BS EN 3026:1994Test method for dry film lubricants. Corrosion test on steel specimens
BS EN 3027:1994Test method for dry film lubricants. Salt spray test
BS EN 3030:1994Test method for dry film lubricants. Solids content
BS EN 3032:1994Test method for dry film lubricants. Thickness measurement
BS EN 3049:1998O-rings, in fluorocarbon rubber (FKM), low compression set Hardness 80 IRHD
BS EN 3050:1998O-rings, in fluorocarbon rubber (FKM), low compression set Technical specification
BS EN 3079:2006Pipe coupling 8°30' up to 28000 kPa. Adaptors. Metric series. Technical specification
BS EN 3080:2006Aerospace series. Pipe coupling 8°30' in titanium alloy. Tees, reduced, branch with thrust wire nut
BS EN 3081:2001Aerospace series. Pipe coupling 8°30' in titanium alloy. Ferrules welded, with dynamic beam seal end, for repair
BS EN 3082:2001Aerospace series. Pipe coupling 8°30' in titanium alloy. Unions, bulkhead welded, for repair
BS EN 3083:2001Aerospace series. Pipe coupling 8°30' in titanium alloy. Unions, bulkhead, long welded end, for repair
BS EN 3084:2001Aerospace series. Pipe coupling 8°30' in titanium alloy. Unions, welded end threaded for repair
BS EN 3243:2001Aerospace series. Pipe coupling 8°30' in titanium alloy. Ferrule, welded, with dynamic beam seal end
BS EN 3244:2001Aerospace Series. Pipe coupling 8°30' in titanium alloy. Unions, double ended
BS EN 3245:2001Aerospace series. Pipe coupling 8°30' in titanium alloy. Unions, reducer
BS EN 3246:2001Aerospace series. Pipe coupling 8°30' in titanium alloy. Unions, bulkhead
BS EN 3247:2001Aerospace series. Pipe coupling 8°30' in titanium alloy. Unions, bulkhead welded end
BS EN 3248:2001Aerospace series. Pipe coupling 8°30' in titanium alloy. Adaptors, reduced pipe end, with lockring
BS EN 3264:2001Aerospace series. Pipe coupling 8°30' in titanium alloy. Thrust wire nut
BS EN 3266:2001Aerospace series. Pipe coupling in titanium alloy. Bulkhead nut
BS EN 3268:2001Aerospace series. Pipe coupling 8°30' in titanium alloy. Pressure plug
BS EN 3269:2001Aerospace series. Pipe coupling 8°30' in titanium alloy. Ferrules, blind, with dynamic beam seal end
BS EN 3270:2001Aerospace series. Pipe coupling 8°30' in titanium alloy. Blanking plug with lockring
BS EN 3272:2001Aerospace series. Pipe coupling 8°30'. Dynamic beam seal end for ferrule, welded. Geometric configuration
BS EN 3273:2001Aerospace series. Pipe coupling 8°30'. Dynamic beam seal end for elbows, tees and crosses. Geometric configuration
BS EN 3274:2001Aerospace series. Pipe coupling 8°30'. Thread. Geometric configurations
BS EN 3561:2001Aerospace series. Pipe coupling 8°30' in titanium alloy. Ferrules with dynamic beam seal end, welded and reduced at pipe end
BS EN 3566:2001Aerospace series. Pipe coupling 8°30' in titanium alloy. Adaptor with lockring
BS EN 3630:2008Aerospace series. Fluid fittings, flanged, straight. Sealing by O-ring for 0,8 mm thick tubes
BS EN 3631:2008Aerospace series. Fluid fittings, flanged, 90° elbowed. Sealing by O-ring for 0,8 mm thick tubes
BS EN 3633:2008Aerospace series. Installation hole for fluid fittings, flanged
BS EN 3635:2008Aerospace series. Weld lip. Geometrical configuration
BS EN 3658:2008Aerospace series. Tube bend radii, for engine application. Design standard
BS EN 3663:2001Aerospace series. Pipe coupling. O-rings in rubber NBR, 75 IRHD, temperature range: -55°C to 135°C
BS EN 3688:2001Aerospace series. T-ring fillers in titanium alloy for welded pipes. 14000 kPa nominal pressure
BS EN 3689:2001Aerospace series. T-ring fillers in titanium alloy for welding pipes. 28000 kPa nominal pressure
BS EN 3690:2001Aerospace series. Pipe coupling 8°30' in titanium alloy. Unions, bulkhead, long
BS EN 3691:2001Aerospace series. Pipe coupling 8°30' in titanium alloy. Unions, bulkhead, long welded
BS EN 3717:2008Aerospace series. Tubes. Selection for engines fluid systems
BS EN 3730:2001Aerospace series. Clamps, saddle. Fixed and sliding version in aluminium alloy with rubber cushioning. Dimensions. Masses
BS EN 3746:2003Aerospace series. O-rings, in fluorosilicone rubber (FVMQ) Hardness 80 IRHD
BS EN 3747:2003Aerospace series. O-rings, in fluorosilicone rubber (FVMQ) Technical specification
BS EN 3748:2001Aerospace series. O-ring grooves. Dimensions
BS EN 3788:2001Aerospace series. Pipe coupling 8°30'. Protective caps
BS EN 3789:2001Aerospace series. Pipe coupling 8°30'. Protective plug with external threads
BS EN 3790:2001Aerospace series. Pipe coupling 8°30'. Protective caps with internal threads
BS EN 3842:2001Aerospace series. Circular tubes for fluids in corrosion resistant steel. Diameter 3,2 mm ≤ D ≤ 100 mm. Thickness 0,32 mm ≤ a ≤ 2,5 mm. Dimensions
BS EN 3851:2003Aerospace series. Pipe couplings, 60°, spherical, in titanium alloy TI-P64001. Swivel nuts, straight
BS EN 3852:2002Aerospace series. Pipe couplings, 60°, spherical, in titanium alloy TI-P64001. Straight unions, welded, threaded
BS EN 3853:2002Aerospace series. Pipe couplings, 60°, spherical, in titanium alloy TI-P64001. Straight unions, threaded
BS EN 3854:2002Aerospace series. Pipe couplings, 60°, spherical, in titanium alloy TI-P64001. Ferrules, welded
BS EN 3855:2002Aerospace series. Pipe couplings, 60° spherical, in titanium alloy TI-P64001. Caps
BS EN 3856:2002Pipe couplings, 60°, spherical, in titanium alloy TI-P64001. Swivel nuts for thrust wire
BS EN 3857:2002Aerospace series. Pipe couplings, 60°, spherical, in titanium alloy TI-P64001. Elbows 90°, welded
BS EN 3858:2002Aerospace series. Pipe couplings, 60°, spherical, in titanium alloy TI-P64001. Thrust wires in steel FE-PA 13
BS EN 3867:2003Aerospace series. Pipe couplings, loose flanges and seals. Flanges in titanium alloy TI-P64001
BS EN 3867:2004Aerospace series. Pipe couplings, loose flanges and seals. Flanges in titanium alloy TI-P64001
BS EN 3868:2003Aerospace series. Pipe couplings, loose flanges and seals. Flange connectors, welded, in titanium alloy TI-P64001
BS EN 3868:2004Aerospace series. Pipe couplings, loose flanges and seals. Flange connectors, welded, in titanium alloy TI-P64001
BS EN 3869:2003Aerospace series. Pipe couplings, loose flanges and seals. Seals in fluorocarbon rubber and armature in aluminium alloy
BS EN 3869:2004Aerospace series. Pipe couplings, loose flanges and seals. Seals in fluorocarbon rubber and armature in aluminium alloy
BS EN 4017:2001Aerospace series. Pipe coupling 8°30' in titanium alloy. Elbows 90°
BS EN 4018:2001Aerospace series. Pipe coupling 8°30' in titanium alloy. Elbows 90° with thrust wire nut
BS EN 4018:2009Aerospace series. Pipe coupling 8°30' in titanium alloy. Elbows 90° with thrust wire nut
BS EN 4019:2001Aerospace series. Pipe coupling 8°30' in titanium alloy. Elbows 90°, welded
BS EN 4020:2001Aerospace series. Pipe coupling 8°30' in titanium alloy. Elbows 90°, welded end with thrust wire nut
BS EN 4020:2009Aerospace series. Pipe coupling 8°30' in titanium alloy. Elbows 90°, welded end with thrust wire nut
BS EN 4021:2001Aerospace series. Pipe coupling 8°30' in titanium alloy. Elbows 90°, bulkhead
BS EN 4022:2001Aerospace series. Pipe coupling 8°30' in titanium alloy. Elbows 90°, bulkhead, welded end
BS EN 4023:2001Aerospace series. Pipe coupling 8°30' in titanium alloy. Elbows 45°
BS EN 4024:2001Aerospace series. Pipe coupling 8°30' in titanium alloy. Elbows 45° welded end with thrust wire nut
BS EN 4024:2009Aerospace series. Pipe coupling 8°30' in titanium alloy. Elbows 45° welded end with thrust wire nut
BS EN 4025:2001Aerospace series. Pipe coupling 8°30' in titanium alloy. Elbows 45°, bulkhead
BS EN 4026:2001Aerospace series. Pipe coupling 8°30' in titanium alloy. Tees
BS EN 4027:2001Aerospace series. Pipe coupling 8°30' in titanium alloy. Tees branch with thrust wire nut
BS EN 4028:2001Aerospace series. Pipe coupling 8°30' in titanium alloy. Tees with thrust wire nut on run
BS EN 4029:2001Aerospace series. Pipe coupling 8°30' in titanium alloy. Tees bulkhead branch
BS EN 4030:2001Aerospace series. Pipe coupling 8°30' in titanium alloy. Tees bulkhead on run
BS EN 4031:2001Aerospace series. Pipe coupling 8°30' in titanium alloy. Nut for welded union
BS EN 4032:2001Aerospace series. Pipe coupling 8°30' in titanium alloy. Thrust wire
BS EN 4045:2001Aerospace series. Capillary tubes, seamless in heat resisting alloys. Diameter 0,6 mm ≤ D ≤ 2 mm. Dimensions
BS EN 4051:2002Aerospace series. Pipe couplings, 60°, spherical, in titanium alloy. Port connection
BS EN 4054:2003Aerospace series. Pipe couplings, loose flanges and seals. Seals in fluorocarbon rubber and armature in aluminium alloy. Technical specification
BS EN 4054:2004Aerospace series. Pipe couplings, loose flanges and seals. Seals in fluorocarbon rubber and armature in aluminium alloy. Technical specification
BS EN 4113:2001Aerospace series. Clamps, loop (P type) in corrosion resisting steel with rubber cushioning. Dimensions and masses
BS EN 4114:2001Aerospace series. Clamps, loop (""P"" type) in aluminium alloy with rubber cushioning. Dimensions and masses
BS EN 4115:2001Aerospace series. Cushion, rubber for clamps. Dimensions, masses
BS EN 4166:2004Aerospace series. Clips, spring tension, three parts. PTFE bushes
BS EN 4167:2004Aerospace series. Clips, spring tension, three parts. Inner clips in heat resisting steel FE-PA2601 (A286)
BS EN 4168:2004Aerospace series. Clips, spring tension, three parts. Outer clips in heat resisting steel FE-PA2601 (A286)
BS EN 4180:2002Aerospace series. Circular tubes, for fluids in titanium and titanium alloys. Wide tolerances. Diameter 4 mm ≤ D ≤ 40 mm Dimensions
BS EN 4182:2001Aerospace series. Pipe coupling 8°30' in titanium alloy. Tees, reduced
BS EN 4183:2001Aerospace series. Pipe coupling 8°30' in titanium alloy. Elbows 90° welded ends
BS EN 4184:2001Aerospace series. Pipe coupling 8°30' in titanium alloy. Elbows 45° double, welded ends
BS EN 4185:2001Aerospace series. Pipe coupling 8°30' in titanium alloy. Tees, bulkhead on run long
BS EN 4186:2001Aerospace series. Pipe coupling 8°30' in titanium alloy. Unions, cross
BS EN 4187:2001Aerospace series. Pipe coupling 8°30' in titanium alloy. Elbows 90°, bulkhead, long
BS EN 4188:2001Aerospace series. Pipe coupling 8°30' in titanium alloy. Elbows 90° bulkhead, long, welded end
BS EN 4189:2001Aerospace series. Pipe coupling 8°30' in titanium alloy. Tees, bulkhead branch long
BS EN 4190:2001Aerospace series. Pipe coupling 8°30' in titanium alloy. Tees, reduced with thrust wire nut on run
BS EN 4191:2001Aerospace series. Pipe coupling 8°30' in titanium alloy. Tees, reduced, bulkhead branch, long
BS EN 4192:2001Aerospace series. Pipe coupling 8°30' in titanium alloy. Tees, reduced bulkhead branch
BS EN 4193:2001Aerospace series. Pipe coupling 8°30' in titanium alloy. Tees, reduced bulkhead on run long
BS EN 4194:2001Aerospace series. Pipe coupling 8°30' in titanium alloy. Tees, reduced, bulkhead
BS EN 4233:2001Aerospace series. Pipe coupling 8°30' in titanium alloy. Unions, welded, threaded
BS EN 4549:2003Aerospace series. Pipe coupling, in heat resisting steel or in heat resisting nickel alloy. Coupling end, welded. Design configuration. Inch series
BS EN 4550-1:2003Aerospace series. Pipe coupling 37°. Design configuration. Inch series. Male sealing ends, spherical
BS EN 4550-2:2003Aerospace series. Pipe coupling 37°. Design configuration. Inch series. Port ends
BS EN 4550-3:2003Aerospace series. Pipe coupling 37°. Design configuration. Inch series. Port connections
BS EN 4550-4:2003Aerospace series. Pipe coupling 37°. Design configuration. Inch series. Female sealing ends
BS EN 4551:2003Aerospace series. Pipe coupling 37°, in heat resisting steel. Swivel nuts. Inch series
BS EN 4552:2003Aerospace series. Pipe coupling 37°, spherical, in heat resisting steel. Straight nipples, welded end. Inch series
BS EN 4553:2003Aerospace series. Pipe coupling 37°, spherical, in heat resisting steel. Elbow 90° nipples, welded end. Inch series
BS EN 4554:2003Aerospace series. Pipe coupling 37°, spherical, in heat resisting steel. Straight unions, threaded. Inch series
BS EN 4555:2003Aerospace series. Pipe coupling 37°, in heat resisting steel. Ferrules, welded end. Inch series
BS EN 4556:2003Aerospace series. Pipe coupling 37°, in heat resisting steel. Cap assemblies. Inch series
BS EN 4557:2003Aerospace series. Pipe coupling 37°, spherical, in heat resisting steel. Tees nipples, welded end. Inch series
BS EN 4560:2003Aerospace series. Pipe coupling 37°, spherical, up to 21000 kPa. Inch series. Technical specification
BS EN 4561:2003Aerospace series. Pipe coupling, welded, in heat resisting steel. Elbow 90°. Inch series
BS EN 4562:2003Aerospace series. Pipe coupling, welded, in heat resisting steel. Reductors. Inch series
BS EN 4563:2003Aerospace series. Pipe coupling, welded, in heat resisting steel. Tees. Inch series
BS EN 4610:2005Aerospace series. Pipe coupling with 8° 30' in titanium alloy. Elbows 45°, with thrust wire nut
BS F 159:2006Properties of elastomeric toroidal sealing rings (""O"" rings) manufactured from oil resistant silicone rubber material conforming to BS F 153. Specification
BS F 162:2006Properties of elastomeric toroidal sealing rings (""O"" rings) manufactured from ethylene-propylene rubber material conforming to BS F 156. Specification
BS F 164:2006Properties of elastomeric toroidal sealing rings (""O"" rings) manufactured from fluorosilicone rubber material released to BS F 154. Specification
BS ISO 12333:2000Aerospace. Constant displacement hydraulic motors. General specifications for 35000 kPa systems
BS ISO 12334:2000Aerospace. Hydraulic, pressure-compensated, variable delivery pumps. General requirements for 35000 kPa systems
BS ISO 14952-1:2003Space systems. Surface cleanliness of fluid systems. Vocabulary
BS ISO 14952-2:2003Space systems. Surface cleanliness of fluid systems. Cleanliness levels
BS ISO 14952-3:2003Space systems. Surface cleanliness of fluid systems. Analytical procedures for the determination of nonvolatile residues and particulate contamination
BS ISO 14952-4:2003Space systems. Surface cleanliness of fluid systems. Rough-cleaning processes
BS ISO 14952-5:2003Space systems. Surface cleanliness of fluid systems. Drying processes
BS ISO 14952-6:2003Space systems. Surface cleanliness of fluid systems. Precision-cleaning processes
BS ISO 16031-1:2002Aerospace fluid systems. O-rings, inch series. Inside diameters and cross sections, tolerances and size-identification codes. Close tolerances for hydraulic systems
BS ISO 16031-2:2003Aerospace fluid systems. O-Rings, inch series. Inside diameters and cross sections, tolerances and size-identification codes. Standard tolerances for non-hydraulic systems
BS ISO 17775:2006Aircraft. Ground-service connections. Potable water, toilet-flush water and toilet drain
BS ISO 22072:2005Electrohydrostatic actuator (EHA). Characteristics to be defined in procurement specifications
BS ISO 23933:2006Aerospace series. Aramid reinforced lightweight polytetrafluoroethylene (PTFE) hose assemblies, classification 135°C/20 684 kPa (275°F/3 000 psi) and 135°C/21 000 kPa (275°F/3 046 psi). Procurement specification
BS ISO 23935:2006Aircraft. Environmental test procedures for airborne fluid system components. Resistance to fire in designated fire zones
BS ISO 27996:2009Aerospace fluid systems. Elastomer seals. Storage and shelf life
BS ISO 6771:2007Aerospace. Fluid systems and components. Pressure and temperature classifications
BS ISO 7169:2007Aerospace. Separable tube fittings for fluid systems, for 24° cones, for pressures up to 3000 psi or 21000 kPa. Procurement specification, inch/metric
BS ISO 7314:2002Aerospace. Fluid systems. Metal hose assemblies
BS ISO 8574:2004Aerospace. Hydraulic system tubing. Qualification tests for bent tubes
BS ISO 8829-1:2009Aerospace. Test methods for polytetraflouroethylene (PTFE) inner-tube hose assemblies. Metallic (stainless steel) braid
BS ISO 8829-2:2006Aerospace. Test methods for polytetrafluoroethylene (PTFE) inner-tube hose assemblies. Non-metallic braid
BS ISO 8913:2006Aerospace. Lightweight polytetrafluoroethylene (PTFE) hose assemblies, classification 400°F/3000 psi (204°C/20684 kPa) and 204°C/21000 kPa (400°F/3046 psi). Procurement specification
BS ISO 9679:2006Aerospace. Clamps for fluid systems. Test methods
BS M 24:1955Graphical symbols for aircraft hydraulic and pneumatic systems
BS M 49:1977* ISO 3323-1976Specification for marking of hydraulic components
BS M 53:1983* ISO 6773-1982Method for thermal shock testing of pipes and fittings for aerospace fluid systems
BS M 55:1984* ISO 7257-1983Method for rotary flexure testing of hydraulic tubing joints and fittings for aerospace use
BS M 56:1985* ISO 7258:1984Methods for determination of density and relative density of polytetrafluoroethylene (PTFE) tubing for aerospace applications
BS M 57:1985* ISO 7313-1984Specification for high temperature convoluted hose assemblies in polytetrafluoroethylene (PTFE) for aerospace applications
BS M 61:1989* ISO 7315-1988Specification for envelope dimensions of ""P"" clamps (loop clamps) for fluid systems
BS M 62:1987* ISO 7661-1984Specification for design and qualification testing of clamp blocks for fluid system tube lines having axial alignment. Metric series
BS M 64:1987* ISO 8177-1986Specification for dimensions of omega clamps (saddle clamps) for fluid tubing installations
BS M 65:1987* ISO 8278-1986Specification for pressure compensated variable delivery hydraulic pumps
BS M 66:1987* ISO 8479-1986Specification for dimensions of 'Q' clamps (centre-mounted clamps) for fluid systems
BS T 72-T 73:1977Specifications for 18/10 chromium-nickel corrosion-resisting steel tube for hydraulic purposes (niobium/titanium stabilized: 550 MPa)
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