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.)
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Turkey Classification: Nuts of iron or steel
NSN 5990-00-574-5777
NSN 5975-01-504-6712
NSN 5910-01-571-8990
NSN 5985-00-853-6492
NSN 6150-01-545-3031
NSN 6145-01-160-2274
NSN 6130-01-085-6725
NSN 5975-01-408-6601
NSN 6220-00-996-4285
NSN 5960-01-366-6246
NSN 5975-01-652-5376
NSN 2925-00-010-9609