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|  MIL-V-16556E(SH)
AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM)
A 125 - Standard Specification for Steel Springs, Helical, Heat
Treated,
A 313 - Standard Specification for Chromium-Nickel Stainless and
(DoD adopted)
Heat-Resisting Steel Spring Wire.
B 21 - Standard Specification for Naval Brass Rod, Bar, and
Shapes.
(DoD adopted)
B 61 - Standard Specification for Steam or Valve Bronze Castings.
(DoD adopted)
B 62 - Standard Specification for Composition Bronze or Ounce
Metal Castings.
(DoD adopted)
B 127 - Standard Specification for Nickel-Copper Alloy (UNS
(DoD adopted)
N04400) Plate, Sheet, and Strip.
B 164 - Standard Specification for Nickel-Copper Alloy Rod, Bar,
and Wire.
(DoD adopted)
(Application for copies should be addressed to the American Society for
Testing and Materials, 1916 Race Street, Philadelphia, PA 19103.)
(Nongovernment standards and other publications are normally available from
the organizations which prepare or which distribute the documents. These
documents also may be available in or through libraries or other informational
services.)
2.3 Order of precedence. In the event of a conflict between the text of
this specification and the references cited herein (except for associated detail
specifications, specification sheets or MS standards), the text of this specific-
ation shall take precedence. Nothing in this specification, however, shall
supersede applicable laws and regulations unless a specific exemption has been
obtained.
3.
REQUIREMENTS
3.1 First article. When specified in the contract or purchase order, a
sample shall be subjected CO first article inspection (see 4.2 and 6.3).
3.2 Mater ials. Materials used in the construction of the valve shall be as
shown in table I. Where no material is specified for a particular application,
the material used shall be of the quality best suited for the purpose intended.
3
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