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 6150-01-099-1584
NSN 5910-01-602-4099
NSN 6320-01-503-7180
NSN 5996-00-445-8496
NSN 6645-01-511-3272
NSN 5895-00-031-3591
NSN 5905-00-800-5151
NSN 5950-01-252-7710
NSN 6105-00-808-7189
NSN 5998-01-572-9814
NSN 5950-00-189-0551
NSN 5960-01-367-6153