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 5996-01-139-2843
NSN 5998-00-661-0380
NSN 5915-01-451-8975
NSN 5920-01-378-5470
NSN 6650-01-139-5238
NSN 6610-00-553-5103
NSN 6610-01-391-6781
NSN 5945-00-869-0993
NSN 5985-01-191-0898
NSN 5915-01-143-6272
NSN 7035-01-529-8844
NSN 5999-01-010-8601