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 5935-00-558-0550
NSN 6110-01-512-1537
NSN 5996-00-006-4284
NSN 6105-00-889-6961
NSN 6685-01-077-8187
NSN 5855-01-391-7077
NSN 6610-00-221-6124
NSN 6620-00-366-1365
NSN 5945-00-602-6808
NSN 5999-01-413-8220
NSN 6610-01-214-6680
NSN 6610-01-222-2558