A nut having 6 flat sides, flat on the bottom and having a slotted cylindrical or dome shaped upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes nut (1), plain, slotted, hexagon.
NSN 6685-00-011-1998
NSN 6240-01-401-5340
NSN 6650-01-660-5441
NSN 6130-00-564-6461
NSN 5990-01-649-4647
NSN 5855-00-455-6070
NSN 5925-01-649-0260
NSN 5930-00-819-0456
NSN 5905-01-172-0894
NSN 6110-01-108-9055
NSN 6240-01-426-5581
NSN 6650-01-406-5322