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 5975-00-111-3208
NSN 6105-01-048-4582
NSN 5945-00-875-4660
NSN 5960-01-024-7918
NSN 5965-00-529-0602
NSN 5895-00-296-9708
NSN 6610-00-260-1181
NSN 6685-00-411-6863
NSN 7035-01-169-6551
NSN 6320-01-525-4789
NSN 6650-00-789-8179
NSN 6685-00-287-7564