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 6610-01-555-8364
NSN 6220-01-118-3976
NSN 6610-00-571-4846
NSN 5930-00-105-8203
NSN 5910-01-087-9229
NSN 5905-01-229-2620
NSN 6650-00-819-1165
NSN 4140-01-423-0731
NSN 5975-01-246-2099
NSN 6685-00-153-0266
NSN 6685-01-437-6939
NSN 5905-01-525-8372