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 5925-00-739-8068
NSN 5915-01-187-8588
NSN 6685-01-273-5185
NSN 5998-00-611-0032
NSN 5905-01-255-8820
NSN 5895-01-429-9999
NSN 6105-01-618-6261
NSN 6610-01-016-3566
NSN 6220-00-904-2429
NSN 6650-01-180-9160
NSN 5975-01-040-0373
NSN 6320-01-090-8296