The difference between the part numbers is that the markings are different
NSN 6645-01-452-3354
NSN 5950-00-971-4771
NSN 5895-01-370-2060
NSN 5930-01-534-7882
NSN 6130-00-518-7604
NSN 6135-01-633-8502
NSN 5910-00-358-6984
NSN 5950-01-238-4515
NSN 6220-00-166-9795
NSN 5999-01-195-7571
NSN 5855-01-526-0131
NSN 4140-00-111-2617
Last Updated: 05/09/2024