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 5920-00-691-7727
NSN 6240-00-922-5042
NSN 4140-01-611-8801
NSN 7035-00-104-7613
NSN 5998-01-425-9863
NSN 5935-00-458-9608
NSN 6130-01-476-8097
NSN 5920-00-237-7375
NSN 6320-01-506-9439
NSN 5965-00-626-5346
NSN 6620-01-654-3830
NSN 5998-00-362-6658