MS 21001 1953 Edition, July 29, 1953
PIN, 100 DEG. COUNTERSUNK HEAD, HI – SHEAR, OVERSIZE, 160,000 PSI
Includes all amendments and changes through Cancellation Notice 2, January 7, 2013
Additional Comments: CNCL NO S/S
NOTICE OF VALIDATION
MS21001 dated 06-JUN-66 has been reviewed and determined to be valid for use in acquisition.