MIL-PRF-39016/43E
QUALIFICATION INSPECTION AND SAMPLE SIZE: See table II.
TABLE II. Qualification inspection and sample size.
Single submission
Group submission
18 units plus 1 open unit for
M39016/43-038
18 units plus 1 open unit for
level L at C = 0 2/
level L at C = 0 2/
33 units plus 1 open unit for
33 units plus 1 open unit for
level M at C = 0 2/
level M at C = 0 2/
Qualification inspection as
Qualification inspection as
applicable
applicable
M39016/43-033
2 units each part number
M39016/43-034
Qualification inspection
M39016/43-035
Q1.
M39016/43-036
M39016/43-037
M39016/43-039
M39016/43-040
M39016/43-062
1 unit terminal strength and
solderability
1/ The number of units required for qualification testing shall be increased as required
in Q5, MIL-PRF-39016, if the contractor elects to test the number of units permitting
one or more failures. Prior to performance of qualification testing, the relay
manufacturer shall preselect the sampling plan.
Initial qualification of relays supplied with spacer mounting pads (-049 through -056 and -065 through -072), shall be
tested as specified below:
Perform the following tests as specified in the qualification inspection table of MIL-PRF-39016, in the order
shown below.
Before installation of spacer mounting pad; screening, visual and mechanical inspection (internal), thermal shock,
resistance to solvents, vibration (sinusoidal), vibration (random), shock (specified pulse), acceleration, terminal
strength, magnetic interference (when specified), capacitance (when specified), coil life (applicable to continuous duty
relays only), resistance to soldering heat, salt spray (corrosion), overload (applicable to high level relays only), life,
terminal strength, and intermediate current.
After installation of spacer mounting pad perform the following tests as specified in the qualification inspection table of
MIL-PRF-39016, in the order shown below:
Insulation resistance, dielectric withstanding voltage, static contact resistance, specified pickup, hold, and dropout
values (voltages), coil resistance, operate and release time, contact dynamic characteristics, coil transient
suppression (when specified), solderability, seal, visual and mechanical inspection (external).
Qualification inspection (reduced testing for previously qualified relays) for relays supplied with spacer mounting pads
(-049 through -056 and 065 through -072) two units of the 26.5 volt rated coil voltage (-052) shall be tested as
specified below:
Before installation of spacer mounting pad, perform the following tests as specified in the qualification inspection
table of MIL-PRF-39016 in the order shown below:
For failure rate level L only: Screening.
For failure rate levels M, P, and R: Vibration (sinusoidal), vibration (random), test duration shall be
10 minutes, and screening.
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