MIL-S-4953C(USAF)
fails or indicates weakness after completing its preproduction test, but which is retained in the unit to complete testing of the parts.
4.4.4 Electrical certification. The contractor shall submit proof that the electrical equipment specified in 3.14.5 which will be supplied under this specification conforms to the requirements of Pamphlet 70. The label or listing of the Underwriters' Laboratories, Inc. will be accepted as evidence of conforming to the requirements.
4.4.4.1 In lieu of the label or listing, the contractor may submit independent proof satisfactory to the procuring activity that the electrical equipment conforms to the requirements of Pamphlet 70. Compliance with these requirements does not absolve the contractor from complete compliance with the other requirements of this specification.
4.5 Acceptance tests. Acceptance tests shall consist of the following:
a. Individual tests
b. Sampling plan and tests
4.5.1 Individual tests. Each spray outfit shall be subjected to the following tests as described under 4.6.
a. Examination of product b. Dielectric strength
c. General operation
4.5.2 Sampling plan. One spray outfit shall be selected at random from each lot of fifty or fraction thereof on the order and subjected to tests in 4.6.4.1 through 4.6.4.4.
4.5.2.1 Lot. A lot shall consist of spray outfits manufactured under essentially the same conditions and submitted for inspection at substantially the same time.
4.5.2.2 Rejection and retest. When one or more spray outfits from a lot fail to meet the specification, acceptance of all spray outfits in the lot shall be withheld until the extent and cause of failure are determined. After corrections have been made, all required tests shall be repeated.
4.5.2.3 Individual tests may continue. For production reasons, individual tests may be continued pending the investigation of a sampling test failure. Final acceptance of the entire lot or lots produced later shall not be made until it is determined that all items meet all the requirements of the specification.
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