>> Search results for: 421A20 NSN Search Results National Stock Number (NSN) Description 5340-00-893-6478, 5340008936478 STRAP,RETAINING 5925-00-419-7578 , 5925004197578 LOWER RUNNER SHIELD 1270-00-652-7727, 1270006527727 SPRING,BRUSH 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