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Page Title:
General quality assurance provisions |
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| MIL-L-14758
3.3.3 Matter insoluble in nitric acid.-The insoluble
matter of the lead azide in nitric acid shall be 0.05 percent
max. and none shall be retained on a U.S. Standard Sieve 230,
when tested as specified in 4.3.5.
3.3.4 Lead carboxymethyl cellulose.-The carboxymethyl
cellulose when determined as the lead salt shall be 0.60 percent
min., and 1.20 percent max., when tested as specified in 4.3.6.
3.3.5 Bulk density. -The bulk density shall be 1.1 gram
(gm.) per milliliter (ml.) min. when tested as specified in 4.3.7.
3.4 Workmanship.-The lead azide shall be free from grease,
wood slivers or chips, rubber or plastic particles, or any
other foreign particles. During manufacture, care must be
exercised to assure that the precipitation kettles are
cleaned before manufacture of each new batch. The solution
of sodium carboxymethyl cellulose must be filtered prior
to use in such a manner to preclude the presence of fibrous
material. The lead acetate solution must be filtered until
clear (i.e., no suspension of lead carbonate) and must be stored
in such a manner to preclude the formation of lead carbonate
due to atmospheric carbon dioxide contamination.
4.
QUALITY ASSURANCE PROVISIONS
4.1 General quality assurance provisions. -Unless otherwise
specified in the contract or purchase order, the supplier is
responsible for the performance of all inspection requirements as
specified herein. Except as otherwise specified, the supplier
may utilize his own facilities or any commercial laboratory
acceptable to the Government. Inspection records of the examinations
and tests shall be kept complete and available to the Government
as specified in the contract or order. The Government reserves
the right to perform any of the inspections set forth in the
specification where such inspections are deemed necessary to
assure supplies and services conform to prescribed requirements.
Reference shall be made to Standard MIL-STD-109 in order to
define terms used herein. Inspections shall be performed in
accordance with this specification and other specifications
referenced in any of the contractual documents.
4.1.1 Contractor quality assurance system.-If the contractor
desires to utilize a quality assurance system which is at
variance with the quality assurance provisions of 4.2 and 4.3
and other documents referenced herein, he shall submit a
written description of the system to the contracting officer
for approval prior to initiation of production. It shall include
3
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