>> Search results for: R90044 NSN Search Results National Stock Number (NSN) Description 4730-00-278-5580, 4730002785580 Cancelled -> Replaced by 4730008925350 4820-01-614-9603 , 4820016149603 VALVE,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