A nut having a flat bearing surface and 6 flat sides with slots in its upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes nut (1), plain, castellated, hexagon.
NSN 5990-01-327-1558
NSN 5965-01-458-5299
NSN 5925-01-425-4024
NSN 7035-00-465-3298
NSN 5999-01-630-8269
NSN 6145-00-464-0979
NSN 2925-00-010-9609
NSN 5925-01-339-6540
NSN 5910-01-589-9206
NSN 5905-00-288-1907
NSN 6150-00-858-5116
NSN 5910-00-022-8185