MIL-DTL-12235A (MR)
4.2 Conformance inspection. The supplier is responsible for the performance of all inspection
requirements as specified herein. Except as otherwise specified (see 6.2), the supplier shall
utilize his own or any other inspection facilities and services acceptable to the Government.
Inspection records of the examination and tests shall be kept complete and available to the
Government as specified in the contract or purchase order (see 6.2). The Government reserves
the right to perform any of the inspections set forth in the specification where such inspections
are deemed necessary to assure that supplies and services conform to prescribed requirements.
4.2.1 Inspection terms and definitions. Reference shall be made to ASQCA8402 to define the
inspection terms used.
4.2.2 Inspection conditions. Unless otherwise specified (see 6.2), all inspections shall be
performed in accordance with ISO 17025.
4.3 Sampling.
4.3.1 Lot. A lot shall consist of all the projectiles made of bar stock from a single heat of steel
or aluminum, as applicable, and shall have the same heat treatment.
4.3.2 Submittal of product. Unless otherwise specified in the contract or purchase order (see
6.2) the contractor shall submit the product in accordance with MIL-STD-1916.
4.3.3 Examination. Examination shall be performed for the requirements of 3.1.1.2, 3.1.1.3,
3.1.1.4, 3.1.1.5, 3.1.2.2, 3.1.2.3, 3.1.2.4, and 3.1.2.5 in accordance with MIL-STD-1916 with the
specific acceptance level that is specified in the contract or purchase order (see 6.2). All
nonconforming material shall be rejected.
4.3.4 Inspection testing. The following tests shall be performed in accordance with the
provisions of 4.4 except as provided in ISO 9001.
4.3.4.1 Material composition. A sample shall be selected for chemical analysis from the bars
used for manufacturing of the projectiles prior to machining or from sufficient parts prior to heat-
treating to form a sample of at least 2 ounces. Failure to comply with the requirements of 3.1.1
or 3.2.1 shall be cause for rejection of the lot.
4.3.4.2 Quality. Each lot of material shall be inspected for quality as specified in the contract or
purchase order (see 3.1.1.2, 3.1.2.2, and 6.2).
4.3.4.3 Hardness. A hardness test shall be made on one out of every ten finished projectiles
unless otherwise specified in the contract or purchase order (see 6.2). The test shall be made on
the outside diameter approximately 0.5 inches from the nose end of the plate-proofing projectile
with any hardness testing machine approved by the Government. If any sample projectile shows
a hardness reading outside of the range specified in 3.1.1.3, the ten projectiles represented by that
sample shall be subject to rejection, with the option of reworking and resubmitting for test.
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