INCH-POUNDNOTICE OFVALIDATIONMS51998NOTICE 214 September 2001MS DRAWINGINSERT, SCREW THREAD-LOCKED IN, RING LOCKED, SERRATED, DESIGNAND USAGE LIMITATIONS FORMS51998, dated 10 May 1988, has been reviewed and determined tobe valid for use in acquistion.Custodians: Preparing activity:DLA - ISArmy - ARNavy - ASAir Force - 99Review Activities:Air Force - 82AMSC N/A FSC 53GPDISTRIBUTION STATEMENT A: Approved for public release; distributionis unlimited.Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-