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 5935-00-623-3579
NSN 4140-00-959-4255
NSN 5915-00-850-4277
NSN 5998-00-925-2992
NSN 5999-00-416-6638
NSN 6610-01-592-1551
NSN 5996-01-058-4510
NSN 5855-01-229-3864
NSN 6135-00-998-5884
NSN 5855-00-436-3852
NSN 6135-01-167-7604
NSN 6130-01-396-5656