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: Nuts of iron or steel
NSN 6610-01-545-5648
NSN 5998-01-314-3562
NSN 5990-01-277-9753
NSN 5965-01-641-2910
NSN 5915-00-477-7356
NSN 5925-01-660-5371
NSN 6650-01-283-9471
NSN 5835-01-344-2857
NSN 5915-00-826-3457
NSN 6220-01-395-2539
NSN 5855-00-688-9954
NSN 5975-01-043-8573