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 6610-01-633-8931
NSN 6150-01-073-2315
NSN 5910-01-536-9965
NSN 4140-01-367-3108
NSN 4140-00-826-4283
NSN 5835-01-584-8538
NSN 5999-01-212-2788
NSN 5930-01-512-4880
NSN 5965-01-267-8536
NSN 5998-01-160-1014
NSN 6645-01-388-7364
NSN 6620-01-528-7510