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 6130-01-453-5865
NSN 6150-00-159-0813
NSN 5910-01-041-7996
NSN 4140-01-285-4418
NSN 5965-01-342-2865
NSN 2925-00-782-1498
NSN 5965-01-324-2060
NSN 5996-01-433-2253
NSN 5930-00-893-7293
NSN 5910-01-183-7936
NSN 5985-01-070-8102
NSN 5835-01-225-0372