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 6240-01-507-2788
NSN 6650-00-111-1081
NSN 6320-00-036-3688
NSN 5975-01-221-6959
NSN 6645-00-901-9281
NSN 6320-01-425-1417
NSN 6685-00-401-8558
NSN 5905-01-526-2157
NSN 5996-00-298-1932
NSN 6620-01-179-4154
NSN 5960-01-307-2674
NSN 6320-01-089-9086