Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 10553-504-273 found under Resistor Fixed Wire Wound Inductive by Calcomp Inc. The National Stock Number assigned to this part is 5905012270084, 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 10553-504-273.