MIL-S-52860D
3. REQUIREMENTS
3.1 Description. The latching alarm switch (hereinafter called "LAS" shall be in accordance with top assembly TA13220E380 and as specified herein.
3.1.1 Major components. The LAS shall consist of the following major component:
a. Printed wiring board (PWB) assembly TA13220E3030 (see 3.5.5).
3.1.2 Drawings. The drawings forming a part of this specification are end product drawings. No deviation from the prescribed dimensions or tolerances is permissible without prior approval of the contracting officer. Where tolerances could cumulatively result in incorrect fits, the contractor shall provide tolerances within those prescribed on the drawings to insure correct fit, assembly and operation of the LAS and PWB assemblies when furnished separately. Any data (e.g., shop drawings, layouts, flow sheets, processing procedures, etc.) prepared by the contractor or obtained from a vendor to support fabrication and manufacture of the production item shall be made available, upon request, for inspection by the contracting officer or his designated representative.
3.2 First article. Unless otherwise specified (see 6.2), a sample shall be subjected to first article inspection (see 6.3) in accordance with 4.3.
3.3 Materials. Materials shall be as specified herein and on the applicable drawings. Materials not specified shall be selected by the contractor and shall be subject to all provisions of this specification.
3.3.1 Material deterioration and control. The LAS shall be fabricated from compatible materials, inherently corrosion resistant or treated to provide protection against the various forms of corrosion and deterioration that may be encountered in any of the applicable storage and operating environments to which the LAS may be exposed.
3.3.1.1 Dissimilar metals. Dissimilar metals shall not be used in intimate contact with each other unless protected against galvanic corrosion. Dissimilar metals and methods of protection are defined and detailed in
MIL-STD-889.
3.3.1.2 Identification of materials and finishes. The contractor shall identify the specific materials, material finish or treatment for use with components and sub-components and shall make information available, upon request, to the contracting officer or designated representative.
3.3.2 Recovered materials. For the purpose of this requirement, recovered materials are those materials which have been collected from solid waste and reprocessed to become a source of raw materials, as distinguished from virgin raw materials. The components, pieces, and parts incorporated in the LAS may be newly fabricated from recovered materials to the maximum extent practicable, provided the LAS produced meets all other requirements of this specification. Used, rebuilt or remanufactured components, pieces, and parts shall not be incorporated in the LAS.
3.4 Environmental conditions. The LAS and PWB assemblies when furnished separately shall withstand individual environmental conditions specified herein, or combinations thereof, without damage (see 6.4.3), performance degradation, or malfunction when tested as specified in 4.5.2.6.
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