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 2925-01-553-5132
NSN 5895-00-578-8424
NSN 5920-01-027-0660
NSN 5910-01-025-8870
NSN 5920-00-920-7956
NSN 4140-01-199-9771
NSN 4140-01-120-4460
NSN 6620-01-396-2149
NSN 6320-01-116-3980
NSN 5935-01-046-9989
NSN 5990-00-673-1831
NSN 5905-00-157-0827