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 6645-01-141-9251
NSN 4140-01-627-7836
NSN 5975-01-142-8420
NSN 6145-00-833-0155
NSN 5925-00-181-9785
NSN 5990-01-332-3623
NSN 5990-01-331-9438
NSN 6240-00-258-2389
NSN 6645-01-076-4655
NSN 6110-01-386-3093
NSN 5855-01-570-3195
NSN 5835-00-494-8419