>> Search results for: 31FD17 NSN Search Results National Stock Number (NSN) Description 4820-01-270-2454, 4820012702454 Cancelled -> Replaced by 4820013391527 4820-01-457-0015 , 4820014570015 VALVE,CHECK 4820-01-338-9607, 4820013389607 SEAT,VALVE 4820-01-271-1897 , 4820012711897 VALVE,CHECK 4820-01-339-1670, 4820013391670 DISK,VALVE 4820-01-339-0302 , 4820013390302 VALVE,CHECK 4820-01-338-9608, 4820013389608 SEAT,VALVE 4820-01-282-0133 , 4820012820133 VALVE,CHECK 4820-01-270-6410, 4820012706410 Cancelled -> Replaced by 4820012731027 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