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 6650-01-555-8049
NSN 5999-01-015-4194
NSN 5915-00-762-2440
NSN 6145-00-703-6292
NSN 5895-01-136-5979
NSN 5895-01-050-3490
NSN 4140-01-273-1829
NSN 5965-01-259-5291
NSN 6320-01-029-4220
NSN 5990-00-922-6133
NSN 6645-01-358-7485
NSN 5975-01-212-2761