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 5975-01-139-4128
NSN 5915-01-228-8934
NSN 5945-00-409-0941
NSN 6610-00-934-1044
NSN 4140-00-102-8607
NSN 5925-00-925-7840
NSN 5998-01-045-4005
NSN 6645-01-211-6502
NSN 5990-00-402-7721
NSN 6220-00-595-6954
NSN 6145-01-366-1367
NSN 5998-00-910-7654