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 5990-01-458-9576
NSN 5905-01-655-3218
NSN 6650-00-195-7519
NSN 6110-00-288-4179
NSN 4140-00-473-8189
NSN 6610-01-250-0237
NSN 5835-01-647-6426
NSN 6145-00-868-0714
NSN 2925-01-268-5464
NSN 6135-01-520-8392
NSN 6110-01-661-0383
NSN 5895-01-391-5682