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 5975-01-178-4509
NSN 5975-01-283-2682
NSN 5990-00-836-6239
NSN 5996-01-592-2414
NSN 5905-00-005-7232
NSN 5996-01-579-0202
NSN 5935-01-547-4897
NSN 5910-01-093-0721
NSN 5960-01-502-3268
NSN 5905-01-017-7239
NSN 6240-01-326-1244
NSN 7035-01-588-7245