Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AP5ASH4S2SCY2Y203 found under Resistor Variable W by Ace Electronics Inc. The National Stock Number assigned to this part is 5905009844435, and the Federal Supply Class is 5905 Resistors. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like AP5ASH4S2SCY2Y203.