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Material deterioration prevention and control. |
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|  MIL-M-53077(ME)
applicable components and assemblies of the present mounting kit and retrofit kit for the M60
tank. The quick disconnect mechanisms are mounted to the mounting kit and enable the driver
inside the vehicle to disconnect the roller kit from the mounting kit. The driver can also manually
disconnect the roller kit from an open driver's hatch. Requirements for the mounting kit shall be
in accordance with TA13227E7180.
3.2 Drawings. The drawings forming a part of this specification are end product drawings.
No deviations from the prescribed dimensions or tolerances are 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 ensure correct fit,
assembly, and operation of the kit. 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 procuring activity or his designated representative.
3.3 First article. Unless otherwise specified (see 6.2), one or more samples shall be subjected
to first article inspection (see 4.3 and 6.3). Any changes or deviations of mounting kits from the
approved first article during production will be subject to the approval of the contracting officer.
Approval of the first article will not relieve the contractor of his obligation to furnish mounting
kits conforming to this specification.
3.4 Materials. Materials shall be as specified on the applicable drawings. Materials not
specified shall be selected by the contractor and shall be subject to all provisions of the
specification.
3.4.1 Material deterioration prevention and control. The mounting kit 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.
3.4.1.1 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.
3.4.1.2 Identification of materials and finishes. The contractor shall identify the specific
material, material finish or treatment for use with each component and subcomponent, and shall
make information available upon request to the contracting officer or designated representative.
3.4.1.3 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 item may be newly fabricated from recovered materials to the maximum
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