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 6145-01-371-9281
NSN 5935-00-287-9898
NSN 6220-01-500-1857
NSN 5930-01-414-8916
NSN 6685-01-527-5561
NSN 5975-01-507-0190
NSN 5920-01-035-1249
NSN 6645-01-382-3114
NSN 5915-01-648-7354
NSN 5998-01-381-1251
NSN 5975-01-648-5260
NSN 5855-01-444-4228