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 6150-00-405-9081
NSN 5975-00-985-6630
NSN 6610-00-338-7349
NSN 5960-01-485-2467
NSN 5925-00-020-8917
NSN 6220-00-066-9599
NSN 5910-00-218-1114
NSN 6240-01-020-3440
NSN 5925-01-108-2347
NSN 6150-01-642-0513
NSN 5990-01-328-9846
NSN 6645-01-534-5545