MIL-S-45909 Revision C, March 27, 1989
STUD, LOCKED IN, RING LOCKED, SERRATED
Includes all amendments and changes through Supplement 1, Cancellation Notice 1, February 29, 2000
Additional Comments: CNCL S/S BY NASM45909
This specification covers the requirements for locked-in studs. The method of locking in the stud is by means of a serrated collar and an accessory lockring with matching serrations installed within the parent material to prevent rotation.