>> Search results for: IR423 NSN Search Results National Stock Number (NSN) Description 5961-01-455-4921, 5961014554921 TRANSISTOR 4330-01-456-0512 , 4330014560512 FILTER ELEMENT,FLUID 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