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 2925-00-041-0439
NSN 4140-00-768-2855
NSN 6110-00-442-7657
NSN 6145-00-116-7810
NSN 5990-01-568-5565
NSN 6685-01-368-7142
NSN 7035-01-482-8608
NSN 5925-01-423-0079
NSN 5985-00-250-4119
NSN 5835-01-381-4452
NSN 6320-01-478-9351
NSN 7035-01-366-5912