MIL-DTL-70507A (AR)
ASTM E 18
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Standard Test Methods for Rockwell Hardness and
Rockwell Superficial Hardness of Metallic Materials
ASTME E 1742
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Standard Practice for Radiographic Examination
(Copies of these documents are available from www.astm.org or ASTM International 100
Barr Harbor Drive, West Conshohocken, PA 19428-2959.)
2.4
Order of precedence. Unless otherwise noted herein or in the contract, in
the event of a conflict between the text of this document and the references cited herein
the text of this document takes precedence. Nothing in this document, however,
supersedes applicable laws and regulations unless a specific exemption has been
obtained.
3.
REQUIREMENTS
3.1 First article. When specified, a sample shall be subjected to first article
inspection in accordance with 4.2.
3.2 Conformance inspection. A sample shall be subjected to conformance testing
in accordance with 4.3.
3.3 Components and assemblies. Materials, parts and assemblies shall comply
with drawings cited in 4.3.2.1 through 4.3.2.18.
3.4 Projectile. The projectile assembly and all components thereof shall comply
with all requirements specified on drawing 13001907.
3.5 Ballistic functioning.
3.5.1 Functioning (not including safety phase). All the projectile hardware shall
remain intact until the initiation of the time fuze at a predetermined time after firing. The
delivery of the cargo to the target area shall also include the successful expulsion of the
entire cargo of grenades.
3.5.2 Functioning. There shall be no premature burst or evidence thereof and
there shall be no separation of metal parts either in the bore of the weapon or in flight
(prior to initiation of the time fuze) in any of the ballistic functioning tests. This
requirement shall also apply to those rounds to be fired in the safety phase.
3.5.3 Grenade performance. The functional reliability shall be not less than
ninety-nine (99) percent resulting in an Unexploded Ordnance (UXO) rate of not greater
than one (1) percent.
3.5.4 Thermal shock. The projectile shall function after exposure to alternatively
high and low temperature extremes.
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