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 6645-00-854-2279
NSN 6650-01-262-7296
NSN 5855-01-503-6171
NSN 6685-01-652-6213
NSN 5920-01-487-1367
NSN 5905-01-307-1437
NSN 6610-01-422-2376
NSN 5915-01-285-5316
NSN 6110-01-525-9770
NSN 6135-01-576-9616
NSN 6105-01-025-5622
NSN 6145-00-166-7950