>> Search results for: 4D98757H70 NSN Search Results National Stock Number (NSN) Description 4310-01-503-8742, 4310015038742 PNEUMATIC MUFFLER,EXHAUST-INTAKE 4310-01-503-8742 , 4310015038742 PNEUMATIC MUFFLER,E 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