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 6105-00-801-0906
NSN 5960-00-054-7561
NSN 6645-01-049-6116
NSN 5905-01-469-2508
NSN 4140-00-884-4553
NSN 6220-01-110-7562
NSN 5990-00-269-2226
NSN 6145-01-038-8833
NSN 2925-01-104-6935
NSN 6620-01-246-4314
NSN 6135-01-017-3001
NSN 6145-01-634-0388