The difference between the part numbers is that the markings are different
NSN 6645-01-504-3394
NSN 6110-00-834-7801
NSN 5945-00-702-2641
NSN 5950-01-041-7972
NSN 6240-00-043-2266
NSN 5855-00-167-7893
NSN 5930-00-821-8418
NSN 5985-00-243-4160
NSN 5915-01-494-0566
NSN 5925-00-377-6368
NSN 6110-01-417-8928
NSN 5930-01-503-4977
Last Updated: 05/10/2024