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 6620-00-903-5054
NSN 6610-01-148-7637
NSN 5998-00-684-8186
NSN 6150-01-479-4568
NSN 5930-01-432-7422
NSN 6610-01-362-8686
NSN 6645-01-298-4662
NSN 5920-00-495-6663
NSN 5925-01-469-6068
NSN 6685-00-137-7707
NSN 5975-01-259-4180
NSN 5990-01-030-5206