A nut having 6 flat sides, flat on the bottom and having a slotted cylindrical or dome shaped upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes nut (1), plain, slotted, hexagon.
Classification: Nuts of iron or steel
NSN 5975-00-081-2171
NSN 6220-01-147-4652
NSN 5985-00-553-9735
NSN 5990-01-193-0487
NSN 6150-01-479-2589
NSN 5965-00-005-7899
NSN 6650-00-028-2218
NSN 5855-00-127-5559
NSN 5925-00-525-4037
NSN 5965-01-602-7649
NSN 5930-00-905-5349
NSN 7035-00-295-0451