11 involute internal splines flatroot side fit 12/24 pitch 30 degrees pressure angle 0.9167 pitch diameter 0.770 lg through 1.050 lg hub to 1.190 countersink in 1.400 diameter hub; flange 0.300 thk set back 0.110 from csk
NSN 5998-00-219-1694
NSN 5998-01-472-5128
NSN 6150-00-224-6580
NSN 4140-01-144-3257
NSN 5996-01-010-4333
NSN 4140-01-495-1352
NSN 5910-01-258-6356
NSN 5910-00-357-0988
NSN 5920-00-422-5381
NSN 5998-01-064-8997
NSN 6220-01-019-7606
NSN 5999-01-340-2654
Last Updated: 04/30/2025