No other part numbers with same form, fit, and function found.
A nut having an externally splined sleeve which holds it in position when forced into a hole of slightly smaller diameter.
NSN 4140-01-194-6595
NSN 6130-01-115-5331
NSN 6610-01-392-4793
NSN 6320-00-456-2092
NSN 5895-01-004-0650
NSN 5996-00-280-8980
NSN 7035-01-361-4176
NSN 6130-01-335-7875
NSN 5945-00-116-9390
NSN 5965-01-319-5363
NSN 5950-01-367-1870
NSN 5905-00-857-5006