>> Search results for: 4591023 NSN Search Results National Stock Number (NSN) Description 5340-00-098-4132, 5340000984132 COVER,ACCESS 4820-12-331-3977 , 4820123313977 VENTIL, RUECKSCHLAG 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