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 6645-01-374-6343
NSN 6610-00-105-9663
NSN 5925-01-161-3265
NSN 4140-01-602-9588
NSN 5915-01-556-4282
NSN 7035-01-459-8268
NSN 6650-00-197-7563
NSN 6320-01-134-5255
NSN 5855-00-055-1579
NSN 6645-01-565-6973
NSN 6320-01-006-6138
NSN 6685-01-101-7495