>> Search results for: HYVAC28 NSN Search Results National Stock Number (NSN) Description 4310-00-433-0460, 4310004330460 VACUUM PUMP UNIT,ROTARY 4320-01-059-0954 , 4320010590954 EJECTOR ASSEMBLY,AIR 4310-00-122-8403, 4310001228403 Cancelled -> Replaced by 4310012036883 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