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 6240-00-034-5909
NSN 5996-01-042-2172
NSN 5999-01-451-3179
NSN 5990-00-665-4105
NSN 6645-00-399-4551
NSN 6610-00-122-6625
NSN 6135-00-161-0746
NSN 7035-01-088-6415
NSN 5930-01-594-9313
NSN 5950-00-995-1872
NSN 5915-00-908-3140
NSN 5975-01-228-8560