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 5999-01-020-5907
NSN 2925-01-459-8093
NSN 5998-00-959-8382
NSN 6130-00-721-4156
NSN 5895-01-480-4910
NSN 7035-01-477-0501
NSN 5945-01-021-6101
NSN 6135-01-417-6539
NSN 6610-00-311-0974
NSN 5910-01-536-5581
NSN 7035-00-703-3535
NSN 5905-01-411-6520