MRC:
The national stock number or the identification information of the end equipment for which the item is a part.AGAV
End Application:
Used on 1015-00-840-1840, mortar, 4.2 inch, m30
MRC:
A recording of the physical,functional,and performance characteristics for an item of supply.TEXT
General Description:
Material: alloy steel, per fed-std-66; heat treat to rockwell c 35 to 41; phosphate coat all surfaces; outside diameter of 4.500 in. Includesflange; retainer body outside dia. Is 3.812 inches; height of 1.125 inches includes flange height of 0.230inches; includes (4) mounting holes counterbored 0.420 to 0.609 inches dia. Each, (4) machine screw holes drilled .190-24unc-2b, and (2) locking pin holes, 0.375 inches dia, drilled at assembly