MS 51861 Revision A, May 15, 1975
SCREW, TAPPING-THREAD FORMING, TYPE AB, PAN HEAD, CROSS-RECESSED
Includes all amendments and changes through Cancellation Notice 3, March 29, 2000
Additional Comments: CNCL S/S BY NASM51861
NOTICE OF VALIDATION
MS51861A, dated 20 May 1988, has been reviewed and determined to be valid for use in acquisition.