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 5930-01-172-7274
NSN 6130-01-265-4028
NSN 5990-00-625-2560
NSN 5930-01-307-4501
NSN 5985-00-097-0057
NSN 5905-01-346-2383
NSN 5975-01-529-9461
NSN 5920-01-512-9552
NSN 2925-00-524-4688
NSN 5996-00-975-2789
NSN 6320-01-227-2648
NSN 5905-00-116-2638