Mechanical Failure Rates for Non-Electronic Reliability
249
Table D.7 continued
ENV
Failure rate (failures per million hours)
80%
Failure
80%
2L
rate
2~
Bound
Estimate
Bound
GB
Drive for computer
tapes & discs
NS
Drive for computer
tapes & discs
GF
Drive rod
GM
Drum
GF
Duct
GF
Electric heaters
NU
Electromechanical
timers
AUF
Engines
ARW
Feedhorn
AUT
Filter
GM
Filter
GF
Filter
AUT
Fittings
NS
Fittings
GF
Fittings
GF
Flash lamp
AUT
Fuse holder
GM
Fuse holder
7.319
/Magnetic tape
transport
19.529
/Reel motor
4.740
/ General
0.0
/General
0.0
/General
2.023
/ Resistance
11.211
/General
2.071
/General
1328.109
/Waveguide
41.485
/Gas (air)
2.192
/Liquid
3.070
/Optical
0.912
/General
9.105
/Permanent
1.023
/Quick disconnect
0.550
/General
4.561
/Block
0.889
/ Extractor post
17.758
37.995
Identification Number 73
38.168
70.172
Identification Number 74
7.286
11.021
Identification Number 75
0.000
27.060
Identification Number 76
0.000
12.764
Identification Number 77
2.902
4.128
Identification Number 78
27.200
58.198
Identification Number 79
4.048
7.443
Identification Number 80
1392.106
1459.500
Identification Number 81
81.000
62.695
Identification Number 82
3.242
4.739
Identification Number 83
6.000
11.03!
Identification Number 84
4.088
12.242
Identification Number 85
40.800
122.185
Identification Number 86
2.000
3.677
Identification Number 87
1.333
2.853
Identification Number 89
20.440
61.212
Identification Number 90
3.985
11.935
Identification Number 91