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 6145-01-472-6319
NSN 5999-01-599-8474
NSN 6645-00-456-2923
NSN 6135-00-542-6216
NSN 6610-01-311-1760
NSN 6685-00-877-9593
NSN 6620-01-592-9890
NSN 5998-01-529-6471
NSN 6320-01-361-7467
NSN 5950-01-323-6953
NSN 5925-00-164-0992
NSN 5910-01-161-9690