MIL-C-768A(0S)
2.3 Order of precedence. in the event of a conflict between the text of this document and
the references cited herein, the text of this document takes precedence. Nothing in this document,
however, supersedes applicable laws and regulations unless a specific exemption has been obtained.
3. REQUIREMENTS
3.1 General material requirements. Powdered copper shall satisfy the requirements given
herein and shall be made from electrolytic copper.
3.2 Total copper. Minimum, 99.0 percent by weight.
3.3 Granulation. Through No. 200 Standard sieve, minimum, 99.5 percent by weight.
3.4 Workmanship. The material shall be uniform in quality and free from foreign materials
that could adversely affect its use.
4. QUALITY ASSURANCE PROVISIONS
4.1 Responsibility for inspection. Unless otherwise specified in the contract or purchase
order, t h e contractor is responsible for the performance of all inspection requirements
(examinations and tests) as specified herein. Except as otherwise specified in the contract or
purchase order, the contractor may use his own or any other facilities suitable for the performance
of the inspection requirements specified herein, unless disapproved by the Government. The
Government reserves the right to perform any of the inspections set forth in the specification
where such inspections are deemed necessary to ensure supplies and services conform to prescribed
requirements.
4.1.1 Responsibility for compliance. All items shall meet all requirements of sections 3
and 5. The inspection set forth in this specification shall become a part of the contractor's overall
inspection system or quality program. The absence of any inspection requirements in the
specification shall not relieve the contractor of the responsibility of ensuring that all products or
supplies submitted to the Government for acceptance comply with all requirements of the contract.
Sampling inspection, as part of manufacturing operations, is an acceptable practice to ascertain
conformance to requirements, however, this does not authorize submission of known defective
material, either indicated or actual, nor does it commit the Government to accept defective
material.
4.2 Lot size. The maximum lot size shall be 227 kilograms (kg).
4.3 Sampling. Three containers shall be selected, at random, from the lot for sampling
purposes. If there are fewer containers in the lot, all containers shall be sampled. A 250-gram(g)
sample representative of each container shall be placed in a clean, dry, rubber-stoppered bottle.
The samples shall be thoroughly mixed to form a composite sample representative of the lot. The
bottle shall be labeled to show the name of the material, manufacturer, plant, number of the
contract or order, number of kilograms in the lot, and the lot number.
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