>> Search results for: SYCGH211 NSN Search Results National Stock Number (NSN) Description 4310-00-821-8521, 4310008218521 VACUUM PUMP UNIT,RECIPROCATING 4130-00-958-3872 , 4130009583872 Cancelled -> Replaced by 4310009152958 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