MRC:
A recording of the physical,functional,and performance characteristics for an item of supply.TEXT
General Description:
One cover assembly, brass, qq-b-626c, composition 11, 1/2 hard, chrome plated, o/adim. 3.000 in. Lg, 2.125 in. W, 0.188 in. Thk, opening 1.438 in. Lg by 1.375 in. W, w/two 0.187 in. Min, 0.190 in. Maximum diameter mtyg holes, one window, plastic, mil-p-5425c, amend. 3,
MRC:
A feature of the item of supply which must be specifically recorded when the reference number covers a range of items.ZZZY
Reference Number Differentiating Characteristics:
As differentiated by material which must conform to ships parts control center special quality control provisons