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 5965-01-559-1369
NSN 5915-01-175-8328
NSN 2925-01-541-5031
NSN 5915-01-270-6093
NSN 5910-01-437-1558
NSN 6110-01-466-5338
NSN 6320-01-118-0553
NSN 5960-01-468-5785
NSN 5990-01-487-0871
NSN 5935-01-229-0983
NSN 5945-01-028-1426
NSN 6110-00-710-1666