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 6110-00-573-1297
NSN 5930-00-636-8888
NSN 4140-01-218-9013
NSN 5855-01-511-8946
NSN 5925-00-220-6841
NSN 6650-00-981-9501
NSN 5920-00-953-5037
NSN 5925-01-360-7009
NSN 6320-01-512-2031
NSN 5945-00-234-6911
NSN 6320-01-320-3305
NSN 5895-01-195-6446