>> Search results for: PMU4E NSN Search Results National Stock Number (NSN) Description 4310-00-898-9959, 4310008989959 VACUUM PUMP UNIT,ROTARY 4310-01-583-7639 , 4310015837639 VACUUM PUMP,ROTARY 4310-00-738-1980, 4310007381980 CYLINDER,FIRST STAGE 4310-00-738-1981 , 4310007381981 CYLINDER,SECOND STAGE 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