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 5998-00-333-6221
NSN 7035-01-271-1643
NSN 6685-00-467-6096
NSN 5999-00-916-3871
NSN 5935-01-647-3821
NSN 5905-01-519-9021
NSN 5996-01-237-4501
NSN 6610-01-025-2876
NSN 6645-01-368-1508
NSN 6645-01-242-0340
NSN 5915-01-480-6891
NSN 6645-01-421-4007