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.
Classification: Nuts of iron or steel
NSN 6145-00-307-7501
NSN 5930-01-244-4421
NSN 5990-00-206-3753
NSN 5950-01-623-8121
NSN 6135-01-116-3385
NSN 6240-00-495-6763
NSN 6645-01-499-4798
NSN 5930-01-468-0148
NSN 7035-01-266-3490
NSN 6150-01-603-9381
NSN 6685-01-017-1419
NSN 6645-00-994-6664