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|  MIL-V-85830(AS)
AEROSPACE MATERIALS SPECIFICATIONS
Butyl Rubber, Phosphate Ester
AMS-3238
Resistant.
(Application for copies should be addressed to the Society of Automotive
Engineers, 400 Commonwealth Drive, Warrendale, PA 15096.)
AMERICAN SOCIETY FOR TESTING AND MATERIALS
ASTM D 3951
Commercial Packaging.
(Application for copies should be addressed to the American Society for
Testing and Materials, 1916 Race Street, Philadelphia, PA 19103.)
In the event of a conflict between the text of
2.3 Order of precedence.
this specification and the references cited herein, the text of this
specification shall take precedence. Nothing in this specification, however,
shall supersede applicable laws and regulations unless a specific exemption
has been obtained.
REQUIREMENTS
3.
3.1 Qualification. Ventilators furnished under this specification shall
be products which are authorized by the qualifying activity for listing on the
applicable qualified products list at the time set for the opening of bids
(see 4.3 and 6.3).
3.2 First article. When specified in the contract or purchase order, a
sample shall be subjected to first article inspection (see 4.4 and 6.4).
3.3 Select Ion of specifications and standards. Specifications and
standards for necessary commodities and services not specified herein shall be
selected as specified `in MIL-STD-143.
3.4 Materials. Materials referenced herein shall conform to applicable
specifications and standards. Materials that are not covered by
specifications and that are not specifically described herein shall be the
best quality and the lightest practical weight. Materials shall be corrosion
resistant, or suitably treated to resist corrosion due to fuels, salt spray,
environmental , chemical or biological warfare conditions.
3.4.1 Aluminum alloy. Aluminum alloy parts shall be anodically treated as
specified in MIL-A-8625. To provide adequate bonding, the aluminum oxide film
formed by this treatment shall be removed from the actual contact area of all
surfaces that act as a path for electrical current and from the areas under
fasteners used for assembly or mounting purposes.
3.4.2 Dissimilar metals. Dissimilar metals shall not be used in intimate
contact with each other. Dissimilar metals are defined in MIL-STD-889.
3.4.3 Nonmetallic materials. Rubber seals and o-rings shall meet the
requirements as specified in AMS-3238 and the requirements specified herein.
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