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 5960-01-298-4143
NSN 5996-00-574-3625
NSN 5895-01-116-4632
NSN 5910-01-077-3336
NSN 6320-01-443-8676
NSN 6620-00-312-2036
NSN 2925-01-454-2046
NSN 5990-01-378-7349
NSN 5935-01-335-3103
NSN 5905-00-157-2197
NSN 6130-01-424-4372
NSN 5998-01-648-7645