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 MS24633 REV B-1969 history
1969DLA MS24633 REV B-1969 SCREW, TAPPING-THREAD CUTTING, TYPES BF AND BT, APPROXIMATE HOLE SIZES FOR