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 6645-01-140-6700
NSN 5998-01-485-0063
NSN 6220-00-429-6652
NSN 6320-01-540-4885
NSN 5999-00-422-1988
NSN 5925-01-362-8823
NSN 6320-01-170-4068
NSN 5905-01-156-1517
NSN 5996-00-932-1986
NSN 6130-01-578-6294
NSN 7035-01-034-4443
NSN 5990-01-159-5988