MRC:
A recording of the physical,functional,and performance characteristics for an item of supply.TEXT
General Description:
Steel, qq-s-700: 1065; astm a684: 1085 or 1095, soft type annealed; or astm a322 or a331, 4130; 2.655 in. Lg.; 0.760 in. W.; 0.101 in. Thk.; heat treatment: for 1065, 1085, and 1095 steel, heat at 1500-1550 deg. F., for 4130 steel, heat at 1550-1600 deg. F., oil quench, temper 1 hr. Min. To rockwell a74-78; manganese phosphate, type m, or zinc phosphate, type z, per mil-p-16232, class 1
