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 5925-00-686-0555
NSN 5855-01-085-5354
NSN 5925-01-224-6191
NSN 6320-01-521-1764
NSN 6150-01-437-7202
NSN 5965-01-648-2590
NSN 4140-01-631-4080
NSN 2925-00-471-1128
NSN 6650-00-067-3572
NSN 6150-01-358-4781
NSN 5935-01-150-8856
NSN 6110-01-068-9241