Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 303-00-201J found under Resistor Variable W by Vamistor Weston. The National Stock Number assigned to this part is 5905000809917, 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 303-00-201J.