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 4140-01-611-5424
NSN 6610-01-474-5206
NSN 5835-00-912-5656
NSN 6145-00-223-2885
NSN 5999-01-326-1023
NSN 6685-01-239-4182
NSN 6645-01-601-5473
NSN 6150-01-099-3239
NSN 5999-01-382-3387
NSN 5895-00-246-4415
NSN 6650-00-977-7533
NSN 5990-00-232-3965