Mechanical Failure Rates for Non-Electronic Reliability
247
Table D.7 continued
ENV
Failure rate (failures per million hours)
80%
Failure
80%
2L
rate
2u
Bound
Estimate
Bound
GM
3.752
Binocular
/ Nitrogen
pressurized
GM
607.566
Blade assembly
/General
ARW
294.660
Blowers & fans
/Axial
NS
1.319
Blowers & fans
/Centrifugal
GM
2.990
Boot (dust & moisture)
/General
ARW
234.177
Brake
/ Electromechanical
GF
6.595
Brushes
/Electric motor
GF
0.446
Burner
/Catalytic
NS
471.959
Bushings
/ General
GM
0.654
CAM
/ General
AUT
0.912
Camera
/Motion (TV)
GF
83.686
Cesium beam tube
/General
GF
22.300
Compressor
/ General
GF
1.785
Compressor
/High pressure
Compressor
/Low pressure
NS
149.846
Computer mass
/Fixed head disk
memory
NS
17.853
Computer mass
/Magnetic tape
memory
NS
70.938
Computer mass
/Moveable head
memory
disk
16.812
50.348
Identification Number 30
1058.201
1778.231
Identification Number 31
364.312
450.364
Identification Number 32
1.584
t.904
Identification Number 33
4.840
7.653
Identification Number 34
327.881
456.106
Identification Number 35
16.000
34.234
Identification Number 36
2.000
5.989
Identification Number 37
530.241
596.124
Identification Number 38
0.777
0.924
Identification Number 39
4.088
12.242
Identification Number 40
135.457
214.193
Identification Number 41
34.277
51.848
Identification Number 46
8.000
23.958
Identification Number 47
Identification Number 48
202.076
271.479
Identification Number 49
80.000
239.580
Identification Number 50
101.781
144.790
Identification Number 51