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 6150-00-572-3229
NSN 5998-00-185-6029
NSN 5999-01-585-6318
NSN 5905-01-345-2422
NSN 6145-01-321-7348
NSN 5855-00-058-1293
NSN 5990-01-255-7387
NSN 6220-01-115-3027
NSN 5905-01-212-4411
NSN 4140-00-388-6829
NSN 5925-00-931-0315
NSN 6145-00-141-8095