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 4140-01-343-0501
NSN 5965-01-207-7026
NSN 5905-01-403-2806
NSN 6135-01-462-6040
NSN 5930-01-215-3325
NSN 6620-01-044-3371
NSN 6685-00-991-1264
NSN 5950-01-310-8811
NSN 5910-01-554-2308
NSN 6320-00-116-3658
NSN 6145-00-099-8986
NSN 6220-00-077-0050