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 6130-01-509-5201
NSN 2925-01-525-5030
NSN 5960-01-193-5224
NSN 6130-00-299-0395
NSN 5965-00-677-1461
NSN 6685-01-580-4485
NSN 5905-00-244-6205
NSN 6240-00-594-7138
NSN 6220-01-548-3692
NSN 5910-00-066-8724
NSN 5950-01-634-0677
NSN 5905-01-407-3337