Used on a wheel lug; counter terrorist assault platform
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.)
NSN 5925-01-513-9193
NSN 6240-01-621-7646
NSN 5925-00-069-3015
NSN 6110-01-053-6492
NSN 5999-01-465-8739
NSN 6145-00-814-8128
NSN 6110-00-914-8793
NSN 5920-01-471-9235
NSN 4140-01-214-1968
NSN 5960-01-003-8480
NSN 6130-00-549-2607
NSN 5935-01-605-1069