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 6650-01-042-6451
NSN 6145-00-596-8447
NSN 6685-01-510-9225
NSN 5950-01-203-1289
NSN 6650-01-068-5021
NSN 5965-01-155-8766
NSN 6130-00-054-4869
NSN 6645-01-218-5234
NSN 6135-00-297-8873
NSN 5996-00-155-9309
NSN 6110-01-641-4781
NSN 5935-01-304-4359