Special style because top half is round shaped, the rounded half allows nut to slide into, goes in inboard elevator linkage on c5 acft
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: Articles of aluminum nesoi
NSN 5905-01-370-4813
NSN 7035-01-432-1163
NSN 6645-01-222-5468
NSN 5855-01-195-2518
NSN 5998-01-558-7824
NSN 6650-01-009-5188
NSN 6110-01-116-4251
NSN 5975-00-754-4035
NSN 5975-01-609-5632
NSN 7035-00-541-8516
NSN 6610-00-256-8006
NSN 5945-01-158-6075