236
Appendix D
Table D.3 continued
Upper
2G/106 hr
Lower
Component or part
extreme
mean
extreme
Filters, light
0.80
0.20
0.12
Filters, mechanical
0.8
0.3
0.045
Fittings, mechanical
0.71
0.1
0.04
Gaskets, cork
0.077
0.04
0.003
Gaskets, impregnated
0.225
0.1375
0.05
Gaskets, monel mesh
0.908
0.05
0.0022
Gaskets, O-ring
0.03
0.02
0.01
Gaskets, phenolic
0.07
0.05
0.01
Gaskets, rubber
0.03
0.02
0.011
Gages, pressure
7.8
4.0
0.135
Gages, strain
15.0
11.6
1.01
Gears
0.20
0.12
0.0118
Gearboxes, communications
0.36
0.20
0.11
Gears, helical
0.098
0.05
0.002
Gears, sector
1.8
0.9125
0.051
Gears, spur
4.3
2.175
0.087
Gear trains (communications)
1.79
0.9
0.093
Generators
2.41
0.9
0.04
Gimbals
12.0
2.5
1.12
Gyros
7.23
4.90
0.85
Gyros, rate
11.45
7.5
3.95
Gyros, reference
25.0
10.0
2.50
Hardware, miscellaneous
0.121
0.087
0.0035
Heaters, combustion
6.21
4.0
1.112
Heater elements
0.04
0.02
0.01
Heat exchangers
18.6
15.0
2.21
Hoses
3.22
2.0
0.05
Hoses, pressure
5.22
3.9375
0.157
Housings
2.05
1.1
0.051
Housings, cast, machined bearing surface
0.91
0.4
0.016
Housings, cast, tolerances 0.001 in or wider
0.041
0.0125
0.0005
Housings, rotary
1.211
0.7875
0.031
Insulation
0.72
0.50
0.011
Iris, wave-guide
0.08
0.0125
0.003
Jacks
0.02
0.01
0.002
Joints, hydraulic
2.01
0.03
0.012
Joints, mechanical
1.96
0.02
0.011
Joints, pneumatic
1.15
0.04
0.021
Joints, solder
0.005
0.004
0.0002
Joints, solder
0.08
0.04
0.02
Lamps
35.0
8.625
3.45
Appendix D
Table D.3 continued
Upper
2G/106 hr
Lower
Component or part
extreme
mean
extreme
Filters, light
0.80
0.20
0.12
Filters, mechanical
0.8
0.3
0.045
Fittings, mechanical
0.71
0.1
0.04
Gaskets, cork
0.077
0.04
0.003
Gaskets, impregnated
0.225
0.1375
0.05
Gaskets, monel mesh
0.908
0.05
0.0022
Gaskets, O-ring
0.03
0.02
0.01
Gaskets, phenolic
0.07
0.05
0.01
Gaskets, rubber
0.03
0.02
0.011
Gages, pressure
7.8
4.0
0.135
Gages, strain
15.0
11.6
1.01
Gears
0.20
0.12
0.0118
Gearboxes, communications
0.36
0.20
0.11
Gears, helical
0.098
0.05
0.002
Gears, sector
1.8
0.9125
0.051
Gears, spur
4.3
2.175
0.087
Gear trains (communications)
1.79
0.9
0.093
Generators
2.41
0.9
0.04
Gimbals
12.0
2.5
1.12
Gyros
7.23
4.90
0.85
Gyros, rate
11.45
7.5
3.95
Gyros, reference
25.0
10.0
2.50
Hardware, miscellaneous
0.121
0.087
0.0035
Heaters, combustion
6.21
4.0
1.112
Heater elements
0.04
0.02
0.01
Heat exchangers
18.6
15.0
2.21
Hoses
3.22
2.0
0.05
Hoses, pressure
5.22
3.9375
0.157
Housings
2.05
1.1
0.051
Housings, cast, machined bearing surface
0.91
0.4
0.016
Housings, cast, tolerances 0.001 in or wider
0.041
0.0125
0.0005
Housings, rotary
1.211
0.7875
0.031
Insulation
0.72
0.50
0.011
Iris, wave-guide
0.08
0.0125
0.003
Jacks
0.02
0.01
0.002
Joints, hydraulic
2.01
0.03
0.012
Joints, mechanical
1.96
0.02
0.011
Joints, pneumatic
1.15
0.04
0.021
Joints, solder
0.005
0.004
0.0002
Joints, solder
0.08
0.04
0.02
Lamps
35.0
8.625
3.45
