Mechanical Failure Rates for Non-Electronic Reliability
257
Table D.7 continued
ENV
Failure rate (failures per million hours)
80%
Failure
80%
2L
rate
2u
Bound
Estimate
Bound
Switch
/Wave guide
GF
1.649
Switchboard control
/From oxygen
generator
NS
542.640
Syncro
/ Transmitter
NS
3.502
Syncro assembly
/General
NS
36.723
Switch
/Rocker
AUF
0.532
Switch
/ Thermostatic
AUT
43.795
Switch
/ Thumbwheel
NU
29.294
Switch
/Wave guide
GF
1.785
Switchboard control
/From oxygen
generator
GM
20.568
Syncro
/ Transmitter
AUT
0.0
Syncro assembly
/General
NS
0.812
Valve
/ Pneumatic
GF
1.649
Valve
/Solenoid operated
GF
2.480
Valve (fill & drain)
/Hand operated
plug valve
ML
0.0
Valve (bipropellant-low thurst)/torque
motor operated
ML
0.0
Washer
/Flat
GM
0.152
NS
0.343
Washer
/Lock
GM
0.097
Identification Number 225
4.000
8.559
Identification Number 226
598.377
661.336
Identification Number 227
5.178
7.570
Identification Number 228
45.701
56.838
Identification Number 229
1.291
2.782
Identification Number 230
61.320
85.300
Identification Number 231
57.252
105.258
Identification Number 232
8.000
23.958
Identification Number 233
33.292
52.643
Identification Number 234
0.000
32.899
Identification Number 235
0.988
1.203
Identification Number 243
4.000
8.559
Identification Number 244
11.111
33.275
Identification Number 247
0.000
922.383
Identification Number 249
0.000
5152.230
Identification Number 250
0.165
0.180
0.426
0.530
Identification Number 251
0.116
0.138