MIL-DTL-512C
4.2 Inspection conditions. Unless otherwise specified, all inspections shall be performed
on a lot. A lot shall consist of one or more batches (see 6.4) of the aluminum powder of the same
type, grade, and class offered for acceptance at one time and produced by one manufacturer, in
accordance with the same specification, or same specification revision, under one continuous set of
operating conditions. Each lot shall consist of that quantity of aluminum powder that has been
subjected to the same unit chemical or physical mixing process intended to make the final product
homogeneous. In the event the process is a batch operation, each batch shall be a lot.
4.3 Conformance inspection. Conformance inspection shall be performed in accordance
with inspection provisions set forth herein. The characteristics shown in 3.1, 3.2, and 3.3, when
tested in accordance with 4.4, shall constitute minimum inspections to be performed by the
supplier prior to government acceptance or rejection by lot. Sample containers shall be obtained
at random from each lot of aluminum powder in accordance with table IV. When lots exceed
2,500 containers, the sample size shall be calculated using the following equation:
n = 0.15√ N
where: n = sample size
N = lot size
A specimen shall be obtained from each container in the sample and placed in a clean, dry
container labeled to identify the lot and the container from which it was taken. Each specimen
shall be tested as specified in 4.4. Failure of any test, by any sample, shall be cause for rejection
of the lot represented. The absence of any inspection requirements in the specification shall not
relieve the contractor of the responsibility of assuring that all products or supplies submitted to the
government for acceptance comply with all requirements of the contract.
TABLE IV. Sampling.
Lot size
Sample size
1
1
2 to 275
2
276 to 545
3
546 to 900
4
901 to 1345
5
1346 to 1875
6
1876 to 2500
7
4.4 Test methods.
4.4.1 Component and material inspection. In accordance with 4.3, components and materials
shall be inspected in accordance with all the requirements of referenced documents unless otherwise
excluded, amended, modified, or qualified in this specification or applicable purchase document.
4.4.2 Test. Distilled water and analytical reagent grade chemicals shall be used
throughout the tests. Where applicable, blank determinations shall be run and corrections
applied where significant. Tests shall be conducted as follows:
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