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.
Classification: Nuts of iron or steel
NSN 6220-01-331-8206
NSN 4140-01-534-9987
NSN 5895-01-551-1064
NSN 6610-01-194-1246
NSN 5855-01-233-2767
NSN 6145-00-112-1449
NSN 6620-01-594-6311
NSN 5996-01-491-9000
NSN 6645-00-315-9254
NSN 6610-01-318-1840
NSN 5935-01-051-8753
NSN 5996-00-284-8840