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 5999-01-083-4846
NSN 5998-00-057-4589
NSN 5935-01-423-8476
NSN 5930-01-537-0541
NSN 5945-01-393-0358
NSN 6135-00-756-6149
NSN 5935-01-118-7367
NSN 5985-00-754-8002
NSN 5975-00-004-9431
NSN 6620-00-993-5547
NSN 6650-01-326-1521
NSN 6645-01-440-5500