MIL-DTL-22992G
TABLE XI. Sampling plan for group B.
Lot size
Sample size
1 to 13
100 percent
14 to 150
13 units
151 to 280
20 units
281 to 500
29 units
501 to 1200
34 units
1200 to 3200
42 units
4.5.3.3 Lot definition (group B inspection). The production lot definition of MIL-STD-790 is further
defined as follows:
a. A production lot consists of all connectors covered under one military specification or standard,
manufactured from the specified raw materials, processed under the same specification and
procedures, produced by the same type of equipment, and submitted for inspection at one time.
Each production lot of assembled connectors shall be a group identified by a common
manufacturing record through all significant assembly operations.
b. Traceability of connectors to specific physical/chemical test reports of incoming raw material is not
required.
c. Common manufacturing records and traceability shall begin with machining and molding.
Traceability shall include connector assembly, if applicable.
4.5.4 Periodic inspection. Periodic qualification verification inspection shall consist of group C.
Delivery of products which have passed groups A and B shall not be delayed pending the results of these
periodic inspections, except where the results of these inspections show noncompliance with the
applicable requirements (see 4.5.3.2).
4.5.4.1 Group C inspection. Group C inspection shall consist of the tests specified in table XII in the
order shown. Group C inspection shall be performed every 36 months, which must be accomplished
within this period after notification of qualification. Group C inspection shall be made on sample units
selected from inspection lots which have passed the groups A and B inspection. The qualifying activity
shall reserve the right to shorten the reporting period to 24 months if it is deemed necessary.
4.5.4.1.1 Sampling plan. Every 36 months, mated connector sample units which have
passed groups A and B inspections shall be subjected to the tests specified in table XII. Samples shall
be selected in sufficient quantity to provide two samples per applicable test group, as determined by the
class of the samples to be tested.
4.5.4.1.2 Connector samples. For group C testing, connectors and applicable accessories shall be
provided as follows: Separate samples (complete connector assemblies) are required for crimp-contact
connectors and solder-contact connectors. Four samples for each class and finish shall be provided.
Two samples shall have pin contacts in the plug and socket contacts in the receptacle and shall be wired
with approximately 3 ft (91.44 cm) of wire. The other two samples shall have socket contacts in the plug
and pin contacts in the receptacle and shall be wired with approximately 3 ft (91.44 cm) of wire. The four
samples shall be subjected to the tests specified in table XII in the order shown.
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