>> Search results for: P49389 NSN Search Results National Stock Number (NSN) Description 4820-01-647-8218, 4820016478218 VALVE,RELEASE 4820-21-885-3963 , 4820218853963 VALVE,CHECK 1 Related Inventory P49-389Condition ARCHECK VALVE* Readily AvailableAdd to RFQ 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