MRC:
A recording of the physical,functional,and performance characteristics for an item of supply.TEXT
General Description:
Steel aisi 4340, heat treat rockwell c 45-58 in accordancewith MIL-H-6875 casting hardness to be rc 39-44, plated inaccordance with MIL-STD-171 finish N0. 1.1.3.3, hydrogenembrittlement relieve at 375 degrees porm 25 degrees for 3 hr afterplating, casting MIL-C-6021 class 1 grade b acceptable 2.000 in Lg 1.601 in H 1.188 in Wh 2 ea holes 0.1910 in P0.0005 in M 0.0010 in Dia 1 ea hole 0.250 in P 0.001 in M0.000 in Dia AA250 surface finish of cam except 0.187 inRadius of undrilled leg and wall of 0.250 in Hole with ANAA125 surface finish
