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 5965-01-091-1884
NSN 5835-00-226-6038
NSN 6645-00-933-2170
NSN 2925-00-660-8131
NSN 5998-00-588-0000
NSN 6145-01-041-6562
NSN 6320-00-242-3300
NSN 6130-01-202-5438
NSN 6620-01-415-5803
NSN 6620-01-328-9862
NSN 6105-01-463-8557
NSN 5915-00-931-7196