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 6135-01-100-3593
NSN 6610-01-037-4392
NSN 6645-00-557-5844
NSN 5930-01-641-6282
NSN 5996-00-358-6257
NSN 6650-00-111-3399
NSN 5990-01-493-4039
NSN 5998-00-596-8869
NSN 6130-00-009-7597
NSN 5905-00-402-9617
NSN 6220-00-840-0209
NSN 5915-01-029-2665