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 5985-01-338-9509
NSN 6685-01-446-2336
NSN 6620-01-323-0664
NSN 5910-01-138-4926
NSN 5855-00-918-1622
NSN 5998-00-225-0972
NSN 2925-01-320-6512
NSN 5960-01-219-5504
NSN 5905-01-521-3839
NSN 5950-00-300-1698
NSN 6145-01-197-7469
NSN 6645-01-437-7770