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 6650-01-492-1440
NSN 6320-01-369-5014
NSN 5990-01-492-6575
NSN 5915-01-344-4630
NSN 6145-00-657-4755
NSN 6645-01-116-0750
NSN 6105-00-949-0012
NSN 6645-01-018-4815
NSN 5855-01-540-7413
NSN 5855-01-418-6303
NSN 6610-01-633-8931
NSN 5855-01-020-7982