MRC:
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.FEAT
Special Features:
Material: steel 4140; surface treatment: apply protective coating mil-p-16232, type m, class 1. Finish coat all faying surfaces with drying type perservative oil conforming to dwg 1603000. Finish coat all non-faying surfaces in accordance with paint system no. 37 (light gray) per mil-std-1303. Quench and draw to 265-290 brinnell. Magnetic particle inspect per mil-i-6868;