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 5996-01-269-0982
NSN 5905-00-553-9985
NSN 5999-01-170-6791
NSN 6105-01-365-1386
NSN 5998-01-387-3872
NSN 6610-00-756-0589
NSN 6645-01-127-1793
NSN 5998-00-878-6660
NSN 6240-00-494-9276
NSN 5996-00-098-3864
NSN 5945-01-451-4798
NSN 5895-00-389-3391