>> Search results for: Y19512A3 NSN Search Results National Stock Number (NSN) Description 5330-99-563-5722, 5330995635722 GASKET 4820-99-396-0770 , 4820993960770 DISK,VALVE 4820-99-870-0367, 4820998700367 PACKING 4820-99-595-4565 , 4820995954565 SEAT,VALVE 4820-99-701-7535, 4820997017535 VALVE,STOP-CHECK 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