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 5975-01-429-8205
NSN 5910-00-181-5882
NSN 6620-01-043-5169
NSN 6105-01-260-0008
NSN 5835-01-207-4484
NSN 4140-00-555-2579
NSN 6620-01-408-4464
NSN 5910-01-467-4356
NSN 5985-01-220-6384
NSN 6610-01-057-3408
NSN 6320-01-046-5228
NSN 5915-01-470-6658