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MIL-M-45945A
failure analysis (see 6.2) perfomed by the contractor. At the
discretion of the Government representative, an interchange-
ability retest may be allowed without reconditioning the lot of
machine  gunsFailure  in  the  retest  shall  cause  rejection  of  the
represented lot subject to performance of a failure analysis and
reconditioning and further test. A sample of ten machine guns
from each retest or reconditioned lot shall be tested using the
same  procedure  described  above.  Failure  of  any  machine  gun  in
the sample to meet the interchangeability requirement shall cause
rejection of the represented lot.
4.4.3.4.1.2  Concurrent  repair  parts.  The  contractor  shall
subject at least two parts from each inspection lot of concurrent
repair parts to the interchangeability test specified in
Failure of any part to meet the requirements shall be
4.5.7.1.2.
cause for rejection of the represented lot of parts subject to
reconditioning and further test as a reconditioned lot. A sample
of double the number of parts used in the orginal test shall be
tested from each reconditioned lot using the test method
specified in 4.5.7.1.2.
4.4.3.4.2 Interplant.  When-machine guns are manufactured
concurrently by more than one contract, each contractor shall
forward six machine guns monthly, for the interplant interchang-
eability test specified in 4.5.7.2 (see.6.2). The contractor will
be informed of any failure of the machine guns to meet prescribed
requirements. Upon completion of the inspection by the testing
agency,  samples may be commercially packaged and will be returned
to the contractor for packaging in accordance with the contract
at the contractor's expense.
4.4.3.5 Endurance
testing.
4.4.3.5.1  Lot  size. The first five endurance test lots
shall each consist of 200 machine guns or a month's production,
whichever is smaller. When five successive lots meeet the
endurance requirements, the lot size shall be increased to 500
machine guns or a month's production, whichever iS smaller. When
five successive lots of the increased size have met the endurance
requirements, the lot size shall be further increased to 1,000
machine guns or a month's production, whichever IS smaller. If
rejection of a lot occurs at any timet the next smaller test lot
size criteria shall be reinstated and the above procedure
repeated in returning to the larger lot size.
4.4.3.5.2  Procedure.  One machine gun selected by
the
Government representative from each endurance test lot
shall be
tested by the contractor for endurance using the test
method
specified in 4.5.8.If the endurance requirements are
not met.
27

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