>> Search results for: 40B255 NSN Search Results National Stock Number (NSN) Description 3439-01-080-8502, 3439010808502 HEAT SINK,SOLDERING AID 4310-01-261-7972 , 4310012617972 BAR,THRUST 1 Related Inventory 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