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Page Title:
Quality conformance verification inspection. |
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|  MIL-M-85831 (AS)
4.5.2 Sampling for tests and examinations of masks. The sample size,
acceptance criteria, tests and examinations required for the mask shall be as
specified in Table III.
4.6 Quality conformance verification inspection. At the option of the
Government and upon completion of the quality conformance inspection
requirements of 4.5, a random sample, one for every 150 or fraction thereof,
shall be selected from each lot of masks (see 6.2,1). Each mask, selected as
a sample unit, shall be forwarded to a laboratory designated at the time of
the award (see 6.2.1). The designated laboratory shall conduct any or all the
tests and examinations of 4.8. The serial numbers of the units in the lot,
represented by the sample units, shall be included with the data accompanying
the samples to the laboratory. The Government activity responsible for
conducting the quality conformance verification program shall report the
results of the tests and examinations to the designated Inspection and
acceptance activity specified In the acquisition document. Final acceptance
of the lot from which the sample units were selected shall be based upon
successful completion of the inspection program by the cognizant Quality
Assurance Representative/Specialist at the contractor's facility; applying the
applicable acceptance criteria specified in Table III.
4.7 Test conditions.
4.7.1 Air. Clean, dry, gaseous air shall be used for all tests unless a
particular gas is specified in the contract.
4.7.2 Temperature and pressure. Unless otherwise specified in the
contract, inspections shall be conducted at local ambient temperature and
barometric pressure. Corrections shall be made to provide agreement with the
temperature and pressure calibration of the instruments. Inspection data
provided by an instrument not calibrated to normal temperature and pressure
NTP
(NTP) conditions shall be corrected to determine NTP conditions.
conditions are 70 F and 29.92 in. Hg.
4.8 Inspection methods.
4.8.1 Visual examination.
4.8.1.1 Masks. Every mask shall be examined visually for critical defects
In addition, every mask,
to determine conformance to this specification.
selected as a sample unit from the lot, shall be visually examined for major
and minor defects to determine conformance to this specification. The
classification of defects of Table IV shall be used to classify the defects
found.
4.8. 1.1.1 Dimensions. Each mask, selected as a sample unit from the lot,
shall be checked dimensionally to determine conformance to the dimensions
specified herein.
4.8.1.2 Packaginq. Each of the fully prepared shipping containers,
containing masks, selected as a sample unit from the lot, shall be examined to
determine that the packaging, packing and marking conform to this
specification. The list of defects of Table V shall be used to enumerate the
defects found.
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