>> Search results for: R253R NSN Search Results National Stock Number (NSN) Description 4320-00-078-2500, 4320000782500 IMPELLER,PUMP,CENTRIFUGAL 5905-01-183-6266 , 5905011836266 RESISTOR,FIXED,FILM 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