242
Appendix D
Table D.5 continued
Component or part
Upper extreme Mean tall06 Lower extreme
Diaphragms, Teflon
0.01 cycle
0.005 cycle 0.001 cycle
Differentials
1.0 cycle
Digital telemetry extraction
equipment
0.007 hr
Diodes, semiconductor
0.20 hr
Drive assembly
0.016 hr
Drive, belt
0.002 hr
Drives, direct lub bearing
0.02 hr
0.01 hr
0.002 hr
Drive rotary solenoid
5.0 cycles
Equalizer, pressure-bellows
type
100.0 cycles
Fastener, Nylatch
Fasteners, socket head
Fastener, threaded (bolt and
nut)
Filter, electrical
Filter, pneumatic
0.06 cycle
0.45 cycles
0.4 cycle
0.3 cycle
8.0 cycles
0.02 hr
0.012 hr
0.008 hr
0,040 hr
Gaskets, rubber nonworking
0.044 hr
Gaskets, phenolic
0.088 hr
Gages, pressure
10.0 cycles
Gages, electric field and ion
Gage, gas density
Gear boxes, communications
0.02 hr
Gear head
Gears, steel
10.0 cycles
Gear trains, communications
0.0025 hr
Generators
0.02 hr
Generator, brushless synchronous
motor
Generators, d-c
0.02 hr
Generator, phase
Generators, reference
0.02 hr
Generator, solid propellant
Gyros, rate
0.040 hr
Gyros, reference
0.002 hr
0.035 hr
0.026 hr
0.035 hr
0.018 hr
0.1 cycle
0.001 cycle
0.04 hr
0.04 hr
0.005 hr
0.002 hr
0.001 hr
1.0 cycle
0.1 cycle
0.0018 hr
0.001 hr
0.01 hr
0.002 hr
0.010 hr
0.006 hr
0.002 hr
0.03 hr
0.008 hr
0.0015 hr
0.00004 sec
0.001 hr
0.0001 hr
0.001 hr
0.0002 hr
Heater elements
0.016 hr
Hoses, flex
0.8 cycle
Hoses, plastic, metal-braided
0.5 cycle
0.012 hr
0.001 hr
0.5 cycle
0.25 cycle
0.22 cycle
0.05 cycle