MIL-DTL-83526C
4.7.1.3.4 Disposition of sample units. Sample units used in Group A or B inspections may be used for
Group C inspection or delivered on the contract or purchase order only if the following requirements are
met:
a. The lot is accepted.
b. The connector has removable termini and the ones that were terminated for testing are replaced
with unterminated ones.
c. The sampling unit passed group B inspection, or the sample unit failed group B inspection but
was reworked and successfully retested to group B requirements.
Sample units not meeting criteria a, b, and c above shall not be delivered on the contract or purchase
order, or used for group C inspection.
TABLE V. Group B inspection.
Inspection
Part applicability 1/
Requirement
Test
paragraph
paragraph
Connector Backshell Accessories
Insertion loss
X
Terminus cleaning
X
Insert retention axial strength
X
Insert retention radial strength
X
Terminus retention force
X
Maintenance aging
X
X
X
Cable retention
X
X
1/ X: Indicates that this test applies.
4.7.1.4 Periodic inspection. Periodic inspection shall consist of group C. Except where the results of
these inspections show noncompliance with the applicable requirements (see 4.7.1.4.1.4), delivery of
products, which have passed group B inspection, shall not be delayed pending the results of these
periodic inspections.
4.7.1.4.1 Group C inspection. Group C inspection shall consist of the tests specified in table VI in the
order shown. Group C inspection shall be performed on sample units of each style and selected from
inspection lots that have passed groups A and B inspections. Group C inspection sample shall be
representative of production.
4.7.1.4.1.1 Sampling plan. Every 60 months, connector, backshell, and accessory sample units, which
have passed group B inspection, shall be selected in sufficient quantity to provide two samples per
applicable test group.
4.7.1.4.1.2 Failures. If one or more specimen or sample units fail to pass group C inspection, the
sample shall be considered to have failed.
4.7.1.4.1.3 Disposition of sample units. Sample units, which have been subjected to group C
inspection, shall not be delivered on the contract or purchase order.
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