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 6105-00-998-4492
NSN 6650-01-210-9004
NSN 6145-01-063-8566
NSN 5935-01-110-4780
NSN 5915-01-512-8851
NSN 6685-00-446-8238
NSN 5965-00-527-8818
NSN 5950-01-182-1702
NSN 5905-01-446-7773
NSN 5996-01-371-2958
NSN 5985-01-354-2602
NSN 6130-00-392-5990