>> Search results for: NA4947 NSN Search Results National Stock Number (NSN) Description 4820-99-548-7366, 4820995487366 DIAPHRAGM PIERCING 4820-99-540-7847 , 4820995407847 VALVE,DIAPHRAGM PIE 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