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 6645-01-592-2557
NSN 6105-01-201-4311
NSN 5996-01-263-5871
NSN 5996-00-376-5442
NSN 5905-00-478-2612
NSN 6145-01-163-9687
NSN 5960-01-420-4744
NSN 6685-01-201-8077
NSN 6145-00-936-0083
NSN 6150-01-530-7296
NSN 5855-01-254-3041
NSN 5895-01-620-3008