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 6130-01-573-8197
NSN 6130-01-296-9763
NSN 6620-01-174-4956
NSN 5930-01-444-7078
NSN 5998-01-437-7842
NSN 5999-01-413-3762
NSN 5965-01-043-9357
NSN 4140-01-481-3374
NSN 6240-00-872-3365
NSN 5996-01-618-4515
NSN 5915-00-172-8089
NSN 6645-01-437-9017