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 6145-00-397-5950
NSN 5915-00-754-7861
NSN 6110-01-598-6963
NSN 4140-00-272-6538
NSN 5920-00-644-0379
NSN 5835-01-584-4408
NSN 7035-00-360-5964
NSN 5990-01-099-8574
NSN 6150-01-267-9546
NSN 2925-01-094-4771
NSN 6620-01-083-1526
NSN 6610-01-519-5157