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: alloy steel aisi-4340; surface treatment: heat treat to 40-45 rockwell-c in accordance with mil-h-6875. Magnetic particle inspect entire item per mil-std-1907, grade a. Apply protective coating dod-p-16232, type m, class 1. Finish coat all surfaces with .0002-.0005 thick solid film lubricant mil-l-46010;
