MIL-DTL-53077A
2.4 Order of precedence. In the event of a conflict between the text of this document and
the references cited herein, the text of this document takes precedence. Nothing in this
document, however, supersedes applicable laws and regulations unless a specific exemption has
been obtained.
3. REQUIREMENTS
3.1 Description. The M1 roller mounting kit (M1RMK) provides the interface between
the track width, tank mounted mine clearing roller kit and the Ml series tank. The mounting kit
consists of a one piece weldment with integrated mounting brackets and a hydraulic quick
disconnect system with 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 13227E7180.
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.
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