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 5905-01-417-0936
NSN 6650-00-069-3107
NSN 5975-00-844-2892
NSN 5835-00-764-4388
NSN 5915-01-143-2482
NSN 5925-01-014-9858
NSN 5998-01-099-9473
NSN 6650-01-620-2026
NSN 6110-01-226-7314
NSN 6150-01-380-0429
NSN 6650-01-299-5454
NSN 5985-01-476-8827