The difference between the part numbers is that the markings are different
NSN 6610-00-738-2571
NSN 6610-01-018-9122
NSN 5910-01-529-7141
NSN 6320-01-407-8663
NSN 6150-00-949-9889
NSN 6240-01-467-0751
NSN 5945-01-134-1782
NSN 5998-00-080-3653
NSN 5996-01-627-3817
NSN 6320-01-329-8380
NSN 5930-01-446-6494
NSN 5935-00-423-8939
Last Updated: 05/10/2024