Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number FCA15-5553F found under Resistor Fixed Film by Penn Resistor Corp. The National Stock Number assigned to this part is 5905012547999, 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 FCA15-5553F.