MS51990B (NOTICE 1), MILITARY STANDARD: RING, LOCK, SERRATED (23-JUN-2000) [S/S BY A-A-59558]

MS51990B (NOTICE 1), MILITARY STANDARD: RING, LOCK, SERRATED (23-JUN-2000) [S/S BY A-A-59558]., MS51990B, dated 19 January 1989, is hereby canceled. Future acquisition for this material should refer to commercial item description A-A-59558, "RING, LOCK, SERRATED".