MIL-DTL-16938D
4. VERIFICATION
4.1 Classification of inspections. The inspection requirements specified herein are
classified as follows:
a. First article inspection (see 4.2).
b. Conformance inspection (see 4.4).
4.2 First article inspection. First article inspection shall consist of examinations and
tests specified in 4.5 and 4.6.
4.3 Sampling.
4.3.1 Lot. For purposes of sampling, a lot shall consist of not more than 100 searchlights
offered for delivery at one time.
4.3.2 Sampling for conformance inspection. A random sample of searchlights shall be
selected from each lot and shall be subjected to each of the inspections specified in 4.4.
Sampling shall be in accordance with ASQ Z1.4, inspection level III, with the acceptance quality
limit (AQL) as specified in the contract (see 6.2).
4.4 Conformance inspection. Each of the sample searchlights selected in accordance
with 4.3.2 shall be subjected to the examinations and tests in table I. The results of each test
shall be compared with this specification.
TABLE I. Conformance inspection.
Examinations and tests
Reference paragraph
General examination
4.5.1 - 4.5.4
Safety
4.5.5
Inclination
4.5.6
Light tightness
4.6.1
Operation
4.6.9
Insulation resistance
4.6.6
Dielectric strength
4.6.6
4.5 General examination.
4.5.1 Visual and dimensional examination. Each sample searchlight shall visually and
dimensionally examined to determine conformance with this specification and applicable
drawings.
4.5.2 Adjustments, fit, and materials. The sample searchlights shall be subjected to a
thorough examination to ascertain that the design, materials, workmanship and weight are in
strict conformity with this specification. Each component part of the searchlight shall be
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