MIL-DTL-46593B (MR)
4.2.2 Inspection conditions. Unless otherwise specified (see 6.2), all inspections shall be
performed in accordance with ISO 9001.
4.3 Sampling.
4.3.1 Lot. A lot shall consist of all the fragment-simulating projectiles of the same caliber, type,
and millimeter, fully quenched and tempered in the same batch.
4.3.2 Submittal of product. Unless otherwise specified (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 3.3, 3.4, and 3.5 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. ASME-
B46.1 shall be used as a basis of comparison for surface roughness determination.
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 fragment-simulating 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 shall be cause for rejection of the lot.
4.3.4.2 Hardness.
4.3.4.2.1 Caliber .22 Type 1, calibers .30, .50 and 20MM fragment-simulating projectiles.
Caliber .22 Type 1, calibers .30, .50 and 20MM fragment-simulating projectiles shall be one
hundred percent tested for hardness for compliance with 3.2. All nonconforming material shall
be rejected.
4.3.4.2.2 Caliber .22 Type 2 fragment-simulating projectiles. The hardness of the Caliber .22
Type 2 fragment-simulating projectiles shall be tested for compliance with 3.2 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.
4.3.5 Inspection equipment. The examination and tests shall be made using equipment approved
by the Government.
4.4 Test methods.
4.4.1 Material composition. Chemical analysis for conformance to the material composition
requirements of 3.1 shall be conducted on the sample in accordance with ASTM A751.
4.4.2 Hardness. A hardness testing machine shall be used to determine compliance with the
hardness requirement of 3.2.
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