If you’re in search of 13059, 13059-1 from Pacsci/Htl, Aerospace Unlimited is your one stop shop. We have Discharge Valve and other PMA supplement part numbers, all of which you can locate via our parts catalog. Once you find what you are looking for, simply submit an RFQ and you can receive a quote in as little as 15 minutes. Contact us today and see why customers trust us to be the fastest and most reliable parts distributor in the industry.