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 6610-01-502-3057
NSN 5998-01-082-6581
NSN 6320-01-592-6248
NSN 5910-01-519-6883
NSN 4140-00-711-8354
NSN 6135-00-057-2005
NSN 5996-01-163-8739
NSN 6620-00-149-7557
NSN 5915-01-212-2857
NSN 5910-00-449-0104
NSN 5950-01-659-2978
NSN 5925-01-416-0913