A nut having a flat bearing surface and 6 flat sides with slots in its upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes nut (1), plain, castellated, hexagon.
NSN 6130-00-354-0251
NSN 5998-01-220-3423
NSN 5835-01-654-4570
NSN 6685-01-067-1447
NSN 5950-01-580-0598
NSN 5998-01-304-6111
NSN 6150-01-023-5987
NSN 5975-01-055-6866
NSN 6145-01-231-6574
NSN 6685-01-278-9836
NSN 5920-00-140-8912
NSN 6135-01-339-8064