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 5999-01-641-7925
NSN 6150-00-141-8793
NSN 6130-01-163-8834
NSN 4140-01-386-5630
NSN 5920-01-349-0012
NSN 5998-01-483-1123
NSN 6240-01-611-7193
NSN 6135-01-418-4156
NSN 6240-01-230-5731
NSN 6620-01-280-9478
NSN 5915-00-383-1471
NSN 5855-00-361-0167