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| MIL-L-82653A(OS)
forth in this specification where such inspections are deemed necessary to ensure supplies and services
conform to prescribed requirements (see 6.2).
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 acceptance of defective material.
4.2 Inspection conditions. Unless otherwise specified (see 6.2), all inspections shall be performed as
specified in the applicable test method of 4.4.
4.3 Quality conformance inspection. Quality conformance inspection shall consist of the tests specified
in 4.4.1, 4.4.2, and 4.4.3. When specified in the contract, the contractor shall prepare a report giving the
results obtained for all inspections and tests performed and a certified statement that meets all requirements
of this specification (see 6.2).
4.3.1 Inspection lot. An inspection lot shall consist of a single liner mix.
4.3.1.1 Liner mix. A liner mix shall consist of one homogeneous blend of ingredients (see 3.2)
manufactured at one time in one mixing vessel.
4.3.1.2 Ingredient lot. The ingredient lot set shall be a set of the materials as specified in table I for each
type of liner material, where each of the materials is from a single material lot that is acceptable under the
quality provisions of this specification. If one or more of the material lots is changed from an established
ingredient lot set this constitutes a new ingredient lot set. If the formulation (the weight percent of the
individual ingredients) established with a new ingredient lot set is maintained, no additional testing (see 3.4.1)
is required. The testing of 3.4.1 shall be performed if any formulation modification is required with an
ingredient lot set, or if the ingredient lot set changes.
4.4 Test methods. Unless an alternative inspection method is proposed, tests shall be performed using
apparatus and procedures specified herein. Alternative inspection methods may be proposed by the supplier
but must be approved by the contracting activity prior to use in acceptance testing.
4.4.1 Ingredient weight. Each liner ingredient shall be weighed to determine compliance with 3.2 prior
to mixing. Weights shall be measured with equipment having an accuracy of 1 percent of the ingredient
weight calculated from the percentages specified in the applicable table (see 3.2).
4.4.2 Raw material. Each liner raw material shall be tested to determine compliance with 3.2.
4.4.3 Bond strength. The liner bond strength specimens shall be prepared and tested in accordance with
CPIA Publication No. 21, section 4.7.2. A minimum of 4 samples shall be tested to determine compliance
with 3.4.1.
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