A headed externally threaded fastener whose threaded portion is of one nominal diameter, with a square neck directly beneath the head.
Classification: Other copper screws (not for wood) bolts and nuts
NSN 6240-01-502-2530
NSN 5905-01-258-6847
NSN 5990-00-313-8688
NSN 5920-00-178-1688
NSN 6220-00-171-8638
NSN 5915-01-484-8708
NSN 5930-01-193-5679
NSN 5996-00-621-2105
NSN 5998-01-501-3592
NSN 5930-00-246-4412
NSN 5945-00-040-1658
NSN 5945-01-424-2316