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 5935-01-329-9531
NSN 5985-01-350-1246
NSN 6620-00-509-7935
NSN 5990-00-530-3855
NSN 5950-01-100-0079
NSN 6645-01-046-2804
NSN 6320-01-358-8069
NSN 6645-01-200-5289
NSN 6110-01-188-0385
NSN 5985-01-531-7286
NSN 6685-00-719-8313
NSN 5920-01-599-1559