Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 9653-25-1J found under Knob by Power Control Devices Inc. The National Stock Number assigned to this part is 5355006674787, and the Federal Supply Class is 5355 Knobs And Pointers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 9653-25-1J.