>> Search results for: B20D9 NSN Search Results National Stock Number (NSN) Description 3439-00-443-7920, 3439004437920 SOLDER,TIN ALLOY 3439-01-057-7996 , 3439010577996 Cancelled -> Replaced by 3439004437920 1 Related Inventory 660-004B20D9-05 Readily AvailableAdd to RFQ Search You can use this search box to continue searching. Search parameters can include any combination of characteristics, specifications, description, partial part numbers, NSN or other stocking number. Special characters are not needed and are automatically stripped before searching. Do you sell this part? Become part of our growing pool of certified suppliers. Send Information