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: Parts of armored fighting vehicles,motorized, whether or not fitted with weapons
NSN 5998-01-290-5919
NSN 5998-01-575-6915
NSN 5998-00-490-1559
NSN 6610-01-400-3880
NSN 6145-01-285-6002
NSN 5996-01-592-9955
NSN 6135-00-767-0331
NSN 6685-01-634-0611
NSN 7035-01-648-8510
NSN 5895-01-621-0289
NSN 6240-01-606-8924
NSN 5975-00-197-9762