Square nut; heavy
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 5915-00-676-2056
NSN 6685-01-267-6862
NSN 5965-01-444-1322
NSN 5895-01-600-6620
NSN 5920-00-808-6977
NSN 5920-01-651-0291
NSN 5905-00-147-9902
NSN 5935-01-094-5854
NSN 5960-01-528-1147
NSN 5925-01-160-2857
NSN 5965-00-840-6542
NSN 6135-01-411-3212