MRC:
A recording of the physical,functional,and performance characteristics for an item of supply.TEXT
General Description:
Ucopper nickel alloy; o/a length 6.656 in.; first end flanged, 6.016 in. Dia; with raised face, 2.991 in. Dia, and 1.163 in. Raised face; other end 1.562 in. Dia, 0.375 in. Deep, followed by a 0.750 in. Long threaded section, 1.250-20un-2b
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:
Quality control iaw navships 0948-045-7010 material identification and control instruction for level 1 items