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 5855-00-949-8143
NSN 5920-00-134-0395
NSN 6130-01-026-0258
NSN 6320-01-264-4563
NSN 6110-01-280-5390
NSN 5996-00-155-6904
NSN 6610-01-569-6710
NSN 6650-01-314-5073
NSN 5990-01-205-4899
NSN 5999-01-474-4007
NSN 5910-01-487-1387
NSN 6110-00-803-7310