MIL-DTL-62177E AVDS-1790-2 Engine Series Specification Download
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MIL-DTL-62177E 4 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 First article. When specified (see 6.2), a sample shall be subjected to first article inspection in accordance with 4.3. 3.2 Design, materials, and manufacturing processes. Unless otherwise specified, the design, materials and manufacturing process selection is the prerogative of the contractor as long as all articles submitted to the Government fully meet the operating, interface, support and ownership, and operating environment requirements specified (see 4.5.1). 3.2.1 Design and manufacturing processes. The design and construction of the diesel engine shall be in accordance with the applicable Army drawing for the engine type as follows (see 1.2, 4.5.1, 4.5.2 and 6.2): Type I - 8725265 Type II - 10912450 Type III - 11682700 Type IV - 11684000 Type V - 11684150 Type VI - 12314611 Type VII - 12314641 3.2.2 Recycled, recovered, or environmentally preferable materials. Recycled, recovered, or environmentally preferable materials should be used to the maximum extent possible provided that the material meets or exceeds the operational and maintenance requirements, and promotes economically advantageous life cycle costs. 3.2.3 Greases. Engine greases shall conform to MIL-PRF-10924, where applicable (see 4.5.1). 3.2.4 Protective coatings. Exposed exterior surfaces of the engine and its components, except the turbocharger compressor housing and the fuel injection pump aluminum parts, shall be leaned, and painted or treated for corrosion resistance as specified on the applicable drawings (see 4.5.1 and 4.5.2). 3.2.5 Metals. The use of dissimilar metals in intimate metal to metal contact shall be avoided.