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Material deterioration and control |
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|  MIL-T-52831E
3.3 Material. Material shall be as specified herein. Material 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 tamper 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 operating and
storage environments to which the item 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
material, material finish or treatment for use with component and subcomponents, and shall
make information available, upon request, to the contracting officer or designated representative.
3.3.1.3 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 tamper may be newly fabricated from recovered materials to the maximum
extent practicable, provided the tamper produced meets all other requirements of this
specification. Used, rebuilt or remanufactured components, pieces and parts shall not be
incorporated in the tampers.
3.4 Engine. The engine type shall be a 2-cycle, air-cooled, gasoline type.
3.4.1 Starter. The engine shall be equipped with an automatic rewind type starter.
3.4.2 Fuel filter. The engine shall be equipped with a fuel filter conforming to SAE J905
which will prevent dirt and other foreign material from entering the carburetor and combustion
chamber.
3.4.3 Air filter. The intake air shall be filtered to prevent dust and dirt from entering the
engine.
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