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 4140-01-469-7233
NSN 5950-00-837-5819
NSN 6130-01-548-9572
NSN 6320-01-352-5653
NSN 5930-00-100-3938
NSN 5915-01-437-5653
NSN 5960-00-201-5265
NSN 5996-01-216-4564
NSN 5895-00-250-0020
NSN 6240-00-183-0750
NSN 6240-00-146-9322
NSN 6105-00-173-4073