Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number DR0-63-411-211-12P found under by Haenni Instruments Inc. The National Stock Number assigned to this part is 6685014107583, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like DR0-63-411-211-12P.