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 5915-00-141-0410
NSN 5915-00-606-8294
NSN 5930-01-500-2458
NSN 5965-01-510-1178
NSN 5925-01-141-6688
NSN 5915-01-066-5509
NSN 5925-00-286-8502
NSN 6610-01-220-5262
NSN 5990-00-018-9723
NSN 5996-01-450-8370
NSN 5855-00-586-6255
NSN 5835-00-155-1379