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 6145-01-442-8143
NSN 7035-01-014-3808
NSN 5855-00-466-2309
NSN 5920-01-160-6050
NSN 6645-01-226-2766
NSN 6150-00-237-3349
NSN 6145-00-058-2436
NSN 5998-01-231-9464
NSN 5996-00-298-1932
NSN 4140-00-147-8971
NSN 5965-01-621-8547
NSN 6320-01-202-8761