MRC:
A recording of the physical,functional,and performance characteristics for an item of supply.TEXT
General Description:
Matl: steel 3310, 9310, qq-s-624; heat trmt: carburize at 1650 degrees f to 1700 degrees f to case depth .018 to .025 oil quench from 1525 degrees fto 1550 degrees f, refrigerate at minus100 degrees f or lower for two hrs, temper 1 hr at 325 degrees f; hardness: case-rockwell a80 to 83, core-rockwell c36 to 42; final protective finish: manganese phosphate base, type m, class 1; length 1.44 inches; diameter 0.460 inches
