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 6620-00-383-8740
NSN 6220-01-340-6655
NSN 5915-01-101-2307
NSN 5915-00-679-9390
NSN 5910-01-202-8116
NSN 6105-00-333-0911
NSN 6650-01-553-0721
NSN 6650-00-903-5419
NSN 5925-00-665-7946
NSN 4140-00-738-8604
NSN 5990-01-287-9447
NSN 6135-01-010-0891