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.)
NSN 5925-01-076-6378
NSN 5930-00-636-8888
NSN 5925-01-657-6068
NSN 6645-00-515-6148
NSN 5925-01-519-9251
NSN 5835-01-208-5649
NSN 6105-00-932-3627
NSN 2925-00-228-8854
NSN 5835-01-316-3255
NSN 5965-01-185-2026
NSN 6130-01-370-9336
NSN 5895-01-373-3814