A nut having one convex, spherical bearing surface and 6 flat sides. Items may have a removable collar. An integral feature is incorporated for locking on the threads of a mating member. See also nut (1), self-locking, cone seat, hexagon.
Classification: Nuts of iron or steel
NSN 5985-00-961-6004
NSN 5925-01-552-2638
NSN 6645-01-553-3599
NSN 6110-01-210-6539
NSN 5915-00-285-2213
NSN 5910-00-431-8185
NSN 6650-01-168-1659
NSN 5965-01-496-1291
NSN 5855-00-361-0167
NSN 5945-01-397-0235
NSN 5920-01-414-2393
NSN 5930-00-845-0639