>> Search results for: 1989F NSN Search Results National Stock Number (NSN) Description 4820-01-231-4127, 4820012314127 SEAT,VALVE 4820-01-231-2708 , 4820012312708 VALVE,SAFETY RELIEF 5340-01-230-8963, 5340012308963 SEAT,HELICAL COMPRESSION SPRING 5360-01-229-7833 , 5360012297833 SPRING,HELICAL,COMPRESSION 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