MS51993B (W/ AMENDMENT-1), DETAIL SPECIFICATION SHEET: INSERT, SCREW THREAD - LOCKED IN, RING LOCKED, SERRATED, HIGH STRENGTH (04-FEB-2014)
MS51993B (W/ AMENDMENT-1), DETAIL SPECIFICATION SHEET: INSERT, SCREW THREAD - LOCKED IN, RING LOCKED, SERRATED, HIGH STRENGTH (04-FEB-2014)., This amendment forms a part of MS51993A, dated 28 Jun 76, and is approved for use by all Departments and Agencies of the Department of Defense.