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 5905-00-975-2545
NSN 5855-01-357-7907
NSN 5910-01-633-3462
NSN 5975-01-643-6261
NSN 5950-01-461-8390
NSN 7035-01-550-7297
NSN 2925-01-359-4027
NSN 5985-00-985-6159
NSN 7035-01-422-4642
NSN 6145-01-010-1896
NSN 6105-00-113-9364
NSN 6130-00-758-4485