A nut having 1 convex, spherical bearing surface and 6 flat sides. Items may have a removable collar. See also nut (1), plain, cone seat, hexagon.
Classification: Nuts of iron or steel
NSN 4140-01-316-2217
NSN 7035-00-679-9027
NSN 5998-01-259-0181
NSN 5990-01-040-1320
NSN 5999-01-315-4808
NSN 5999-00-860-9642
NSN 5950-01-548-7650
NSN 5945-00-619-3553
NSN 6220-01-555-7467
NSN 6685-00-371-8936
NSN 5905-01-359-1800
NSN 5915-00-253-0710