A nut having a flat bearing surface and 6 flat sides with slots in its upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes nut (1), plain, castellated, hexagon.
Classification: Nuts of iron or steel
NSN 4140-01-435-0874
NSN 6135-01-486-6537
NSN 5950-01-237-5146
NSN 5925-01-079-8417
NSN 5945-01-101-8843
NSN 5998-00-935-2510
NSN 6105-01-548-1642
NSN 5920-01-622-7558
NSN 6220-00-040-2094
NSN 5925-00-961-5333
NSN 5998-01-218-8587
NSN 2925-01-152-8618