MRC:
A recording of the physical,functional,and performance characteristics for an item of supply.TEXT
General Description:
Steel, qq-s-624, 4340; heat treatment will be per mil-h-6875, except component will be free of decarburization, 0.0005 in. Max. Partial decarburizationis permissible, temper at heat for 30 minutes min.; manganese phosphate, type m, or zinc phosphate, type z, per mil-p-16232, class 1, except chromium plated surfaces will be chromium plate, qq-c-320, class 2; 2.700 in. Lg.; 1.179 in. W.; 1 hole 0.188 in. Dia.; 1 hole 0.125 in. Dia.
