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 5999-00-331-7060
NSN 5945-01-049-9517
NSN 4140-01-072-0729
NSN 6645-01-593-6149
NSN 6145-01-536-0189
NSN 5935-00-938-1561
NSN 6145-01-022-5652
NSN 5996-01-571-4532
NSN 6645-01-557-4608
NSN 5945-01-173-2550
NSN 2925-00-964-7128
NSN 6320-01-233-5798