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 5960-01-218-2858
NSN 6650-00-299-9681
NSN 5985-00-471-9355
NSN 5895-01-231-0072
NSN 5950-00-840-2871
NSN 5855-01-020-7982
NSN 5915-00-710-5772
NSN 5905-00-617-2509
NSN 5895-01-048-4208
NSN 5945-00-267-3036
NSN 5950-01-211-4974
NSN 6645-01-659-1583