MRC:
A recording of the physical,functional,and performance characteristics for an item of supply.TEXT
General Description:
Cres, 5.460 in.O/a lg, 0.562 in.Largest od., includes clutch, input and output shafts, universal joint and helical compression spring; 0.186 in.Dia of input and output shafts
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 navy individual repair parts ordering data or as differentiated by "free from mercury contamination"