MIL-DTL-12560K (MR)
4.8.4 Bend test. Bend test samples shall be tested in the transverse direction per ASTM E290, at
room temperature through an included angle of 90 degrees (unrestrained) to the inside radii
shown in Table V.
4.8.5 Decarburization tests. At least one decarburization test sample shall be taken on each plate
selected for the ballistic tests for plates with an ordered thickness of 0.500 inch and less (see
4.6.1.4). ASTM E1077 shall be used to ensure that the depth of decarburization does not exceed
0.017 inch.
4.8.6 Ballistic tests. Ballistic testing of armor plate shall be conducted at a Government approved
test facility specified in 4.2.1, unless otherwise specified in the contract or purchase order (see
6.2). Testing shall be conducted in accordance with the requirements of the Appendix A.
4.9 Reduced testing. At the discretion of the procuring activity, the amount of testing shall be
reduced provided the results on consecutive lots indicate that a satisfactory uniform product
meeting the testing requirements is being produced (see 6.2). Reduced testing shall be in
accordance with a system previously approved or established by the procuring activity involved.
4.10 Rejection and retest.
4.10.1 Rejection. Unless otherwise specified in the contract or order (see 6.2), failure of the first
article samples to meet the requirements of this specification shall be cause for rejection of the
process, and failure of the acceptance samples to meet the requirements of this specification shall
be cause for rejection of the lot (see 4.10.2).
4.10.2 Retest. Unless specific retest procedure is specified in the contract or order (see 6.2), two
retest samples shall be submitted for each failed sample. Failure of either of the retest samples
(plates) shall be cause for rejection of the material. First article retests shall not be permitted
until the supplier has made the necessary correction in the processing of the material to the
satisfaction of the procuring activity.
5. PACKAGING
5.1 Packaging. For acquisition purposes, the packaging requirements shall be as specified in the
contract or order (see 6.2). When packaging of materiel is to be performed by DoD or in-house
contractor personnel, these personnel need to contact the responsible packaging activity to
ascertain packaging requirements. Packaging requirements are maintained by the Inventory
Control Point's packaging activities within the Military Service or Defense Agency, or within the
military service's system command. Packaging data retrieval is available from the managing
Military Department's or Defense Agency's automated packaging files, CD-ROM products, or
by contacting the responsible packaging activity.
6. NOTES
(This section contains information of a general or explanatory nature that may be helpful, but is
not mandatory.)
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