>> Search results for: 197050233 NSN Search Results National Stock Number (NSN) Description 4820-01-056-1687, 4820010561687 DISK ASSEMBLY 4820-01-192-5638 , 4820011925638 DISK ASSEMBLY,VALVE 4820-01-486-8491, 4820014868491 SEAT,VALVE 2040-01-656-2615 , 2040016562615 PENETRATOR ASSEMBLY 4820-01-621-4361, 4820016214361 HEAD,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