The General Services Administration has authorized the use of this commercial item description as a replacement for Military Specifications MIL-V-16720E and MIL-V-16721D which are cancelled.
DLA MS51100 REV B-1969 history
1969DLA MS51100 REV B-1969 SCREW, CAP, HEXAGON HEAD (FINISHED HEXAGON BOLT), HEAD DRILLED FOR LOCKING WIRE, STEEL, CORROSION-RESISTING, PASSIVATED, UNF-2A