>> Search results for: 3856132431 NSN Search Results National Stock Number (NSN) Description 4820-01-173-2257, 4820011732257 VALVE,BUTTERFLY 4820-01-413-3685 , 4820014133685 VALVE,BUTTERFLY 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