>> Search results for: 001271657 NSN Search Results National Stock Number (NSN) Description 4820-99-535-8181, 4820995358181 VALVE,BUTTERFLY 4820-99-757-4638 , 4820997574638 VALVE,BUTTERFLY 4820-99-587-9620, 4820995879620 DISC AND SHAFT SUB- 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