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 6685-00-809-2846
NSN 6240-00-370-5862
NSN 7035-01-361-8821
NSN 6150-00-264-5978
NSN 5945-00-076-3031
NSN 6685-01-456-5832
NSN 5990-01-056-6413
NSN 6130-01-226-8127
NSN 6650-01-512-1930
NSN 6110-00-174-1653
NSN 6110-00-706-8661
NSN 5960-01-632-6576