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 6110-00-111-2761
NSN 5945-00-836-1426
NSN 6620-01-488-9547
NSN 6240-01-401-5340
NSN 6150-01-345-4195
NSN 4140-00-419-4481
NSN 5950-01-576-5895
NSN 6320-00-925-0558
NSN 6220-00-669-6348
NSN 6130-00-615-9250
NSN 5920-01-087-0929
NSN 7035-00-703-3535