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 6105-01-600-0366
NSN 6645-00-551-8291
NSN 2925-01-643-8395
NSN 5945-00-407-0376
NSN 6610-00-862-5501
NSN 6320-01-512-2031
NSN 6150-00-661-0184
NSN 5915-00-456-3448
NSN 5910-00-403-2605
NSN 6220-00-716-3939
NSN 5905-01-528-1710
NSN 6110-01-485-3312