MRC:
A recording of the physical,functional,and performance characteristics for an item of supply.TEXT
General Description:
Steel, aisi 4320 or aisi 4720, finish black oxide class 1, rockwell c hardness 58-64, microinch finish 90, 6.263 in min, 6.273 in maximum od, 5.994 in id, 1.052 in thk, flange 0.095 in min, 0.105 in maximum w, 6.625 in dia, four holes 0.126 in diameter equally spaced drilled in shoulder and four holes 0.187/188in diameter drilled in shoulder equally spaced between the four previous holes
