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 5960-00-847-4743
NSN 6220-01-433-8739
NSN 5985-01-082-3265
NSN 7035-01-628-7988
NSN 6645-01-319-6583
NSN 4140-01-508-4512
NSN 6610-01-656-0041
NSN 6610-00-021-2259
NSN 5930-00-581-6037
NSN 5930-01-645-8660
NSN 5990-00-351-5479
NSN 6135-00-900-2139