Dyed brown
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 5975-00-920-7442
NSN 6145-01-032-4557
NSN 5985-00-357-1348
NSN 6645-00-816-5337
NSN 5855-01-254-1571
NSN 6240-01-299-8933
NSN 5999-00-440-3293
NSN 6650-00-530-4277
NSN 6130-01-194-5290
NSN 6645-01-502-3068
NSN 6130-00-270-8063
NSN 5945-01-171-1840