>> Search results for: 1813PSTD NSN Search Results National Stock Number (NSN) Description 4820-99-463-6188, 4820994636188 SEAT,VALVE 4820-99-957-4414 , 4820999574414 SEAT,VALVE 4820-99-075-8087, 4820990758087 SEAT,VALVE 4820-99-234-4645 , 4820992344645 SEAT,VALVE 4820-99-322-3347, 4820993223347 SEAT,VALVE 4820-99-421-2295 , 4820994212295 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