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 5990-00-440-6532
NSN 2925-01-386-7392
NSN 6105-00-153-7967
NSN 6150-01-346-6960
NSN 5960-01-444-2205
NSN 5975-01-293-0750
NSN 6220-01-485-4233
NSN 5895-01-144-0131
NSN 7035-00-064-7008
NSN 5910-01-490-7297
NSN 6220-01-019-0505
NSN 5996-01-369-0709