MRC:
A recording of the physical,functional,and performance characteristics for an item of supply.TEXT
General Description:
Steel alloy 4340 per mil-s-5000 cond c; coat with electroless nickel per mil-c-26074; heat treat to obtain a hardness of brinell 270-310 (rc 28-34); base material finish with 125 microinch; 1.750 in. Od, 3.188 in. Lg
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:
Material will be in accordance with ships parts control center activity hx quality control, manufacturing and testing specifications
