Used on ma-3 air cond-diesel
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 6620-01-551-7071
NSN 5950-01-013-7901
NSN 5960-01-154-3719
NSN 5910-00-339-8962
NSN 5925-01-067-5437
NSN 6610-01-142-8958
NSN 6145-00-610-6987
NSN 6610-01-451-7081
NSN 5990-00-976-2210
NSN 5950-01-382-4947
NSN 5950-00-080-3130
NSN 5935-01-077-7189