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 6645-00-608-2998
NSN 5925-00-883-8575
NSN 6620-01-599-2011
NSN 5945-00-073-0045
NSN 5965-01-442-0490
NSN 5965-00-752-5823
NSN 5945-00-826-2551
NSN 5910-01-362-4461
NSN 5855-00-256-5562
NSN 5950-01-611-3550
NSN 5920-01-335-6347
NSN 6645-01-196-8616