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 MS21206 REV A-1991 history
1991DLA MS21206 REV A-1991 WASHER, COUNTERSUNK AND PLAIN, FOR USE WITH BOLTS AND NUTS UP TO AND INCLUDING 220 KSI FTU