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.)
Classification: Copper screws, nuts, bolts, rivets, and other fasteners not threaded
NSN 6610-01-494-7933
NSN 5920-01-203-3915
NSN 5925-00-695-9414
NSN 5895-01-579-8451
NSN 5975-00-200-2002
NSN 6240-00-313-2515
NSN 6685-01-068-4446
NSN 6620-01-174-4401
NSN 5975-00-236-0841
NSN 6320-00-389-4756
NSN 5975-01-152-3320
NSN 6645-01-477-1140