MRC:
A recording of the physical,functional,and performance characteristics for an item of supply.TEXT
General Description:
Head dia.185"+.000"-.001"slot.040x.10deep.03x45degrees, 1st.Shoulder.216in.Dia x.53 in.Length w/.250-40 uns-2athread, 2nd shoulder.216"dia x .050"lg, 3rd shoulder .375" diameter x.060"long, 4th.Shoulder .2502" +.0000"-.0005"diameterx .196"plus or minus.002", 5th shoulder.216"dia x .050" long, final shoulder .185"di (.190-32 unf-2a) thread, length 1.40"
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