>> Search results for: ASP290 NSN Search Results National Stock Number (NSN) Description 4330-01-298-5450, 4330012985450 PNEUMATIC MUFFLER,EXHAUST-INTAKE 4310-01-315-7730 , 4310013157730 PNEUMATIC MUFFLER,EXHAUST-INTAKE 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