Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number DAS2158-6 found under Ring Shuttle Valve by U S Dept Of Transportation Federal. The National Stock Number assigned to this part is 1620013441289, and the Federal Supply Class is 1620 Aircraft Landing Gear Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like DAS2158-6.