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 6650-01-406-5322
NSN 5950-01-461-3109
NSN 5910-01-033-6546
NSN 6145-00-254-7204
NSN 6610-01-222-0582
NSN 5960-00-148-4493
NSN 5975-01-519-8477
NSN 4140-00-437-3778
NSN 5975-00-480-7902
NSN 5985-01-090-9423
NSN 6145-01-067-6456
NSN 5925-01-469-3103