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 6320-01-498-4954
NSN 5905-00-061-3253
NSN 5905-00-133-1552
NSN 2925-00-468-5273
NSN 5910-01-475-3735
NSN 5920-01-411-5512
NSN 2925-00-757-7028
NSN 6620-01-440-3523
NSN 5925-01-231-5423
NSN 6150-01-208-6225
NSN 5915-01-512-0754
NSN 5975-01-634-0678