Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number B4 1 2-WSV-239-2-250OHM-604 found under Resistor Adjustable by Gamble Charles T Industries. The National Stock Number assigned to this part is 5905000762114, 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 B4 1 2-WSV-239-2-250OHM-604.