>> Search results for: 0421P1211301 NSN Search Results National Stock Number (NSN) Description 4940-01-148-5166, 4940011485166 EVAC PUMP 4310-21-899-9034 , 4310218999034 VACUUM PUMP UNIT,RO 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