MRC:
A recording of the physical,functional,and performance characteristics for an item of supply.TEXT
General Description:
Steel 4140 substitute od 8853 ty d grade 1 cl c alt qq-s-6244140, 9.938 in. O-a lg, 10.438 in. O-a w, 2.000 in. O-a thk, 250arithmetical average surface finish, heat treated 38-42 rockwell cby martempering process, magnetic particle inspect per mil-i-6868, protective coat per mil-p-16232 ty m cl 1, finish coat fayingsurfaces with cl 2 supplementary finish, finish coat all nonfayingsurfaces per paint system 37 light gray, heat treat per ws 13554