MRC:
A recording of the physical,functional,and performance characteristics for an item of supply.TEXT
General Description:
Steel, 8620, astm a322 and astm a331; steel, cmpsn ic 8620, mil-s-22141; prealloyed steel powder forgings per mil-f-45961; carburize at 1600-1625 deg. F. To a case depth of 0.005 to 0.010 in., oil quench, temper 1 hr. Min. At 375deg. F. To hardness specified; manganese phosphate, type m, class 1, or zinc phosphate, type z, class 1, per mil-p-16232; 0.4995 in. Lg.; 0.460 in. W.
