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 5985-01-378-7553
NSN 5950-01-006-9912
NSN 5925-00-529-0441
NSN 6220-00-397-6910
NSN 5996-00-751-9701
NSN 6135-01-588-4160
NSN 5925-00-186-8669
NSN 6645-00-200-2324
NSN 5975-00-464-0693
NSN 6135-01-362-4256
NSN 6610-01-123-7292
NSN 6220-00-780-6456