A nut having an externally splined sleeve, which holds it in position when forced into a hole of slightly smaller diameter. An integral feature is incorporated for locking.
NSN 6685-00-188-1991
NSN 6620-01-047-5831
NSN 5999-01-267-7168
NSN 5895-01-238-9293
NSN 6320-01-170-4068
NSN 5975-00-041-1426
NSN 2925-01-127-0167
NSN 4140-01-641-4067
NSN 6110-01-269-0524
NSN 5965-01-508-2537
NSN 6620-00-905-6590
NSN 5950-01-503-0747