MRC:
A recording of the physical,functional,and performance characteristics for an item of supply.TEXT
General Description:
Steel, corrosion resisting specification qqs-763 class 420, condition a; heat treatment: heat at 1800 to 1825 f for 30minutes in protective atmosphere. Air or oil quench. Temper at min of 800 f for 60 minutes to rockwell a74 to 77. Temper length-b- in neutral salt or lead at 1200 f for approx five minutes to rockwell a67 to 70; final protectivefinish 3.3.2 of mil-std-171; 1872 o/a len nom.
