>> Search results for: 20139520 NSN Search Results National Stock Number (NSN) Description 2815-01-266-1214, 2815012661214 LOCK,VALVE SPRING RETAINER 2815-99-737-2044 , 2815997372044 SHIELD,EXHAUST VALV 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