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 4140-00-915-6125
NSN 5996-00-193-3459
NSN 6135-01-255-9129
NSN 6150-00-805-8857
NSN 5930-01-608-3988
NSN 6320-00-242-3300
NSN 5950-00-417-9938
NSN 5965-01-199-8362
NSN 6620-00-456-0404
NSN 5975-01-556-5464
NSN 6320-00-593-0379
NSN 6320-01-054-3046