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 4140-00-404-5257
NSN 6685-01-044-0702
NSN 6685-00-878-0701
NSN 5920-01-045-8870
NSN 6110-01-063-7423
NSN 5895-01-130-8284
NSN 5835-01-043-1576
NSN 5999-01-261-1847
NSN 5930-01-212-9907
NSN 6150-00-067-5957
NSN 6130-01-487-8699
NSN 6645-01-648-2115