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 5945-01-400-5928
NSN 6610-01-633-8931
NSN 6145-01-602-8698
NSN 6320-01-315-4517
NSN 5895-00-197-7188
NSN 5990-01-575-3275
NSN 6150-01-279-4878
NSN 5975-00-994-6806
NSN 5975-00-083-1433
NSN 6220-00-600-4178
NSN 5910-01-519-8236
NSN 5915-01-032-4475