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 6685-01-411-0436
NSN 5965-00-581-5577
NSN 5925-00-407-2192
NSN 5895-00-335-7443
NSN 5935-00-502-9966
NSN 6620-01-268-9693
NSN 6150-01-359-4876
NSN 7035-01-203-8010
NSN 6685-00-924-8025
NSN 6650-00-216-6365
NSN 5975-01-294-7415
NSN 5965-01-090-6245