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 6150-00-556-5543
NSN 5996-01-369-1870
NSN 5990-01-025-7466
NSN 6645-01-370-4259
NSN 6240-01-278-3247
NSN 5920-01-414-6983
NSN 5960-01-528-1147
NSN 5895-01-659-8156
NSN 6320-01-607-1491
NSN 6620-01-088-1272
NSN 5895-00-677-1982
NSN 6320-00-456-0836