Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 7216-291-3 found under Resistor Variable W by Bi Technologies Corporation. The National Stock Number assigned to this part is 5905004004092, 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 7216-291-3.