The difference between the part numbers is that the markings are different
NSN 6645-00-144-4868
NSN 5950-00-148-9655
NSN 5905-00-643-7939
NSN 5895-01-175-8026
NSN 6620-01-302-1537
NSN 5835-01-036-4951
NSN 5905-00-249-1807
NSN 6240-01-198-1966
NSN 6240-00-179-5043
NSN 6130-01-278-3325
NSN 6685-01-429-8922
NSN 5950-01-411-3552
Last Updated: 01/01/2025