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 6645-01-487-8227
NSN 5920-01-262-5094
NSN 6145-01-204-4873
NSN 6220-01-352-6132
NSN 5950-01-297-5773
NSN 5945-00-904-8943
NSN 6145-01-212-4359
NSN 5895-01-011-2108
NSN 6150-00-250-5166
NSN 5950-01-267-2805
NSN 4140-00-723-6418
NSN 5945-01-437-3454