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 5855-00-797-8217
NSN 7035-01-106-3476
NSN 5990-00-332-1735
NSN 5920-01-470-5835
NSN 5950-00-833-9024
NSN 5950-01-619-6471
NSN 5920-00-054-7048
NSN 6320-01-592-6248
NSN 4140-01-572-3807
NSN 5925-01-175-8204
NSN 7035-01-632-3449
NSN 5975-01-061-2182