Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1N056S253UA found under Resistor Variable N by Rockwell Automation Inc. The National Stock Number assigned to this part is 5905005391559, 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 1N056S253UA.