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 5930-01-298-4541
NSN 5996-00-367-2388
NSN 6110-00-199-1616
NSN 6145-01-630-5604
NSN 6685-01-437-4305
NSN 5935-00-834-2440
NSN 5945-01-114-8589
NSN 5855-00-455-6070
NSN 5996-01-433-4707
NSN 5990-01-487-0871
NSN 6645-01-243-3138
NSN 6240-01-113-6412