>> Search results for: 4N7870 NSN Search Results National Stock Number (NSN) Description 2990-00-427-6904, 2990004276904 MUFFLER,EXHAUST 2990-01-021-7587 , 2990010217587 MUFFLER,INTAKE 1 Related Inventory 2990-01-021-7587Condition NEMUFFLER Readily AvailableAdd to RFQ4N78702990010217587Condition NSMUFFLER Readily AvailableAdd to RFQ 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