A nut, flat on top and bottom having 6 flat sides. For items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see locknut, electrical conduit. See also locknut, tube fitting. For items having a thickness (or height) exceeding two times the width across the flats, use post, electrical-mechanical equipment. (when height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)
Classification: Nuts of iron or steel
NSN 6135-01-527-3302
NSN 6610-00-601-2313
NSN 4140-00-555-3856
NSN 5905-01-381-6386
NSN 6240-00-921-4493
NSN 6220-00-225-1732
NSN 5930-01-320-1625
NSN 6650-01-205-7035
NSN 6610-01-460-1385
NSN 5990-01-386-5561
NSN 5999-01-321-4318
NSN 5905-01-629-9570