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 5985-01-120-7821
NSN 4140-01-518-9774
NSN 5990-01-025-7466
NSN 5925-01-309-3951
NSN 5975-01-486-2871
NSN 5996-01-275-0706
NSN 5960-01-487-6436
NSN 6240-01-442-7746
NSN 6645-00-833-2395
NSN 5975-01-111-2665
NSN 5915-00-422-0538
NSN 7035-01-364-8454