This Flowserve 2D-169409 R7 Single Mechanical Seal P/N 378111 with O-Ring is in unused condition and is guaranteed to be fully functional. This item came from a large pharmaceutical company that had surplus new old stock inventory. We urge customers to view all photos as they show overall condition, included accessories, and useful information. We understand there is very little information included with this listing so please feel free to contact us with any questions.