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 4140-00-879-0862
NSN 5945-00-552-6627
NSN 6145-00-311-8884
NSN 5855-00-014-5008
NSN 5915-01-521-9486
NSN 6645-01-244-4881
NSN 4140-00-985-0182
NSN 6135-00-246-0324
NSN 5945-01-296-0864
NSN 5990-01-042-1984
NSN 6620-00-338-6482
NSN 5996-01-381-1997