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 6320-01-497-3116
NSN 5998-00-458-3498
NSN 6645-01-557-8134
NSN 6320-00-546-9249
NSN 6240-01-555-5980
NSN 5920-00-250-4731
NSN 7035-00-849-5526
NSN 4140-00-141-0132
NSN 2925-01-190-7820
NSN 5975-00-197-9762
NSN 7035-00-064-7008
NSN 5998-01-422-0624