MIL-DTL-46118E(MR)
APPENDIX A
BALLISTIC TESTING OF ALUMINUM ALLOY ARMOR,
2219, ROLLED PLATE AND DIE FORGED SHAPES
A.1
SCOPE
A.1.1 Scope. This appendix covers the minimum ballistic limits for
acceptable requirements of aluminum alloy armor, 2219, rolled plate and die
forged shapes, when tested in accordance with the provisions of this
specification. When there is mutual agreement between contractor and
procuring activity, this appendix becomes a mandatory part of this
specification and the information contained herein is intended for
compliance.
A.2
APPLICABLE DOCUMENTS
A.2.1
Government documents.
A.2.1.1 Specifications, standards, and handbooks. The following
specifications, standards, and handbooks form a part of this document to the
extent specified herein. Unless otherwise specified, the issues of these
documents are those listed in the issue of the Department of Defense Index of
Specifications and Standards (DoDISS) and supplement thereto, cited in the
solicitation (see 6.2).
STANDARDS
DEPARTMENT OF DEFENSE
MIL-STD-662 - V50 Ballistic Test for Armor
(Unless otherwise indicated, copies of federal and military specifications,
standards, and handbooks are available from the Defense Automated Printing
Service (DAPS), Bldg. 4D, 700 Robbins Avenue, Philadelphia, PA 19111-5094).
A.3
REQUIREMENTS
A.3.1 Resistance to penetration. The minimum required V50 ballistic
limit shall be in accordance with the values shown in tables A-I through
A-IV.
A.4
VERIFICATION
A.4.1 Ballistic tests. Testing shall be in accordance with MIL-STD-662,
V50 Ballistic Test for Armor, except that nothing in this procedure shall be
construed to supersede or invalidate the requirements of this specification.
A.4.2 Temperature conditioning. Prior to the test, the test item(s)
will be temperature conditioned at least eight hours. Thermostatic control
will be such that the average temperature of the item during the test shall
be 72° + 15°F (22° + 8°C).
A.4.3
Ballistic limit protection, BL(P).
A.4.3.1 Normal circumstances. The BL(P) shall consist of an equal
number of fair impact complete and partial penetration velocities attained by
the up-and-down firing method. All BL(P)'s shall be computed using the
highest partial penetration velocities and the lowest complete penetration
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