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 5930-01-169-9233
NSN 5950-00-452-7265
NSN 5920-01-259-1602
NSN 6130-01-660-6642
NSN 5910-01-297-8572
NSN 2925-01-408-9485
NSN 6240-01-236-9330
NSN 5835-01-342-2654
NSN 5930-01-068-1925
NSN 5935-00-273-3861
NSN 6240-01-171-9500
NSN 5960-01-391-4701