MIL-PRF-23419H
4.6.1.3.2 Disposition of sample units. Sample units which have been subjected to group B inspection
shall not be delivered on the contract.
4.6.2 Periodic inspection. Periodic inspection shall consist of group C. Except where the results of
these inspections show noncompliance with the applicable requirements (see 4.6.2.1.4), delivery of
products which have passed group A and group B shall not be delayed pending the results of these
periodic inspections.
4.6.2.1 Group C inspection. Group C inspection shall consist of the inspections specified in table VI, in
the order shown for each subgroup. Group C inspection shall be made on sample units selected from
inspection lots which have passed the group A and group B inspections, unless the Government
considers it more practical to select a sample from current production. A manufacturer's normal quality
control tests, production tests, environmental tests, and so forth, may be used to fulfill all or part of group
C inspection; however, all of group C inspection shall be completed as specified.
TABLE VI. Group C inspection.
Requirement
Test method
Number of sample units
Inspection
paragraph
paragraph
per current rating
Subgroup I
Short circuit
4
2
Maximum clearing current I t (when
at maximum voltage rating
specified, see 3.1)
Subgroup 2 (see 3.1)
Terminal strength
6
Overload interrupt
at maximum voltage rating
Subgroup 3
Vibration, high frequency
4
Vibration, random (when specified,
see 3.1)
Continuity
Shock
Continuity
Resistance to soldering heat (when
specified)
Subgroup 4
Salt atmosphere (corrosion)
4
Overload interrupt (at room ambient
temperature and maximum
voltage rating)
2
Maximum clearing current I t (when
specified, see 3.1)
Subgroup 5
Moisture resistance
4
Thermal shock
Current carrying capacity (at room
ambient temperature)
12
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