>> Search results for: 5481231 NSN Search Results National Stock Number (NSN) Description 4730-01-554-8550, 4730015548550 RETURN MANIFOLD ASS 2930-01-731-9770 , 2930017319770 PLATE,OIL COOLER,ENGINE 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