Used on f-111 acft. 1.0700" overall length involute serration nas 542-48-29; penetrant insp reqd per mil-i-6866, type 1, after final machining 21c solid, external flange
Used on f-111 acft. 1.2500" overall length involute serration nas 542-48-26; penetrant insp reqd per mil-i-6866, type 1, after final machining solid, external flange
Used on f-111 acft. 1.4800" overall length involute serration nas 542-48-38; penetrant insp reqd per mil-i-6866, type 1, after final machining 21c solid, external flange
Used on f-111acft. 2.3600" overall length involute serration nas 542-48-44; penetrant insp reqd per mil-i-6866, type 1, after final machining solid, external flange