>> Search results for: MU688 NSN Search Results National Stock Number (NSN) Description 2990-00-258-6486, 2990002586486 MUFFLER,EXHAUST 5835-01-090-2844 , 5835010902844 RECORDER-REPRODUCER SUBASSEMBLY, 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