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.
Classification: Nuts of iron or steel
NSN 5975-00-332-7221
NSN 5990-01-630-5094
NSN 5950-00-034-3491
NSN 5999-00-888-9599
NSN 6220-01-038-8292
NSN 6650-01-432-1830
NSN 5925-00-796-0679
NSN 6620-01-490-4520
NSN 6130-01-451-6557
NSN 6645-00-586-7198
NSN 6130-00-128-0034
NSN 6650-01-423-9772