>> Search results for: CSS71VS NSN Search Results National Stock Number (NSN) Description 4820-01-439-9892, 4820014399892 VALVE ASSEMBLY 4820-01-439-5186 , 4820014395186 SEAT,VALVE 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