>> Search results for: 639488002 NSN Search Results National Stock Number (NSN) Description 4710-01-472-8617, 4710014728617 TBAYAIR LIOP289,363 4730-01-545-7623 , 4730015457623 TAILPIECE,REDUCING 4730-01-538-9299, 4730015389299 REDUCER,TUBE 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