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 6645-01-623-8825
NSN 5930-01-565-0228
NSN 5925-01-468-6257
NSN 6130-01-053-1660
NSN 5950-01-168-8071
NSN 6650-01-485-3444
NSN 5915-01-386-0001
NSN 5935-00-683-6460
NSN 5905-01-009-4442
NSN 5990-01-627-8097
NSN 5975-01-494-8575
NSN 5855-01-422-7332