A nut, flat on top and bottom, having 4 flat sides. 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: Nuts of iron or steel
NSN 2925-01-562-1663
NSN 5935-01-429-9062
NSN 6220-01-634-0660
NSN 5935-01-534-8186
NSN 5998-00-277-7552
NSN 5925-00-479-1349
NSN 6650-01-286-3417
NSN 6320-00-222-1468
NSN 6620-01-430-4111
NSN 5975-00-035-6524
NSN 5960-01-278-2852
NSN 6650-01-276-2869