MIL-DTL-28731 38_NIIN 012805095.pdf

This is a Detail Specification Sheet for a connector electrical rectangular shield for use with MIL-DTL-28731/32, issued by the Department of Defense on October 29, 2018 (Amendment 1), superseding the original specification from March 15, 2004.

The specification defines requirements for shield rectangular cable clamps available in two styles: Style A and Style B. Key dimensional requirements include overall lengths ranging from 2.102 to 4.150 inches, widths of 2.280 to 2.745 inches, and specific configurations for cable clamps, thrust bushings, and cable grommets. Materials specified include rubber grommets and cable components per ASTM D2000 (nominal hardness), aluminum alloy 2024-14 thrust bushings per SAE-AMS-QQ-A-225 and ASTM B211 with gold chromate finish, and aluminum alloy No. 380 compression cable clamps per ASTM-B85/B85M and SAE-AMS-4291 with olive drab chromate finish. Hardware consists of four No. 4-40 UNC 2A, 0.5 inch screws for mounting shields to insulators. The complete units must be packaged per MIL-STD-2073-1, method 10. Part numbers are M28731/38-0001 (Style A) and M28731/38-0002 (Style B), with maximum cable size for both styles at .900 inch diameter. The specification references related documents including MIL-DTL-28731/32 and various ASTM standards. Custodians include Army (CR), Navy (EC), Air Force (11), and DLA (CC), with review activities across multiple Army, Navy, and Air Force departments.