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 4140-01-197-8148
NSN 6610-01-582-8181
NSN 5975-00-218-0414
NSN 5950-00-399-1037
NSN 5930-01-202-6236
NSN 4140-01-415-2478
NSN 6130-00-862-7093
NSN 5998-01-435-4256
NSN 6145-01-417-2988
NSN 5935-01-304-0599
NSN 6130-01-449-1552
NSN 6610-01-053-0061