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 5930-00-162-8870
NSN 5990-01-174-6851
NSN 7035-01-322-8180
NSN 5990-01-395-4194
NSN 5950-00-189-2860
NSN 6610-01-312-8340
NSN 5996-01-218-0522
NSN 5975-01-538-5229
NSN 5975-00-547-8911
NSN 7035-01-619-1268
NSN 5960-01-013-9346
NSN 6620-00-877-3266