Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1D53258-55 found under Capacitor Resistor by Mcdonnell Douglas. The National Stock Number assigned to this part is 5915012609259, and the Federal Supply Class is 5915 Filters And Networks. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 1D53258-55.