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 6645-01-489-0455
NSN 6130-00-773-0164
NSN 6620-00-494-1428
NSN 5920-00-350-6941
NSN 6620-00-292-7000
NSN 5975-00-500-0166
NSN 6135-01-307-2749
NSN 6610-00-382-0266
NSN 4140-00-203-4844
NSN 5905-01-364-0737
NSN 5975-01-408-0240
NSN 6150-00-409-3999