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 5990-01-121-1175
NSN 5990-01-064-1013
NSN 6240-01-375-6119
NSN 5855-01-534-6802
NSN 6110-01-349-5360
NSN 5999-00-695-0339
NSN 5950-01-158-0383
NSN 5999-01-166-8172
NSN 5915-01-573-5980
NSN 5895-00-167-1117
NSN 5998-01-510-1582
NSN 5945-00-925-9992