Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number TYP CDPD1H A3SS found under Switch by Mks Instruments Inc. The National Stock Number assigned to this part is 5930011137928, and the Federal Supply Class is 5930 Switches. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like TYP CDPD1H A3SS.