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 5990-00-073-2676
NSN 5950-01-080-1673
NSN 6685-01-569-7270
NSN 5945-01-410-8181
NSN 5835-01-123-8305
NSN 5965-00-996-3541
NSN 5999-00-200-6233
NSN 5905-01-163-9636
NSN 5975-01-303-6772
NSN 6220-00-621-8149
NSN 6130-01-043-4066
NSN 6150-00-204-6258