Diameter is 1/8" (.125")
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 5950-00-431-4064
NSN 6645-00-959-6502
NSN 5925-01-465-7565
NSN 5975-01-069-4689
NSN 5999-00-443-1786
NSN 5945-00-905-5353
NSN 5895-01-650-1358
NSN 5855-01-088-8700
NSN 6220-01-392-8376
NSN 5925-01-018-6845
NSN 5920-00-584-4592
NSN 5965-00-342-5126