2a and b8
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 6105-01-250-2384
NSN 5935-00-552-2552
NSN 5905-01-522-1981
NSN 2925-01-014-8007
NSN 5935-00-953-1582
NSN 6105-01-415-0598
NSN 6150-01-044-3377
NSN 6110-00-435-8007
NSN 2925-01-556-0333
NSN 6610-00-641-3015
NSN 6130-01-423-9543
NSN 6685-01-417-1807