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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Greece Classification: Articles of plastics & articles of other materials of heading 3901 to 3914, nesoi
NSN 5930-01-605-2223
NSN 6135-01-470-4077
NSN 5915-01-517-8305
NSN 2925-01-277-3508
NSN 5925-01-188-4303
NSN 4140-01-494-8957
NSN 6610-00-216-6538
NSN 6135-01-048-0910
NSN 5975-01-234-5084
NSN 5930-01-063-5914
NSN 5965-01-030-7253
NSN 5925-01-390-3993