MS51991D, DETAIL SPECIFICATION SHEET: INSERT, SCREW THREAD-LOCKED IN, RING LOCKED, SERRATED (14-NOV-2012)

MS51991D, DETAIL SPECIFICATION SHEET: INSERT, SCREW THREAD-LOCKED IN, RING LOCKED, SERRATED (14-NOV-2012)., This specification is approved for use by all Departments and Agencies of the Department of Defense. The requirements for acquiring the product described herein shall consist of this specification sheet and procurement specification MIL-I-45910.