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 6645-01-029-4525
NSN 6220-00-244-2040
NSN 5985-01-208-3598
NSN 5990-01-020-6841
NSN 5915-00-795-7220
NSN 5920-00-836-2530
NSN 5945-01-338-6483
NSN 5930-01-386-4006
NSN 5855-00-951-6483
NSN 7035-01-302-5359
NSN 5915-01-551-5984
NSN 5996-00-146-3726