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 6145-00-473-8709
NSN 5915-01-243-6682
NSN 6685-01-624-0504
NSN 5998-00-483-5687
NSN 5895-00-165-1289
NSN 5975-00-269-8391
NSN 2925-01-519-1707
NSN 5965-01-341-8746
NSN 6220-01-161-5016
NSN 6645-01-175-9875
NSN 5920-01-288-0145
NSN 4140-00-513-1089