Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AR50KL.253G found under Resistor Variable W by Bi Technologies Corporation. The National Stock Number assigned to this part is 5905013602974, 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 AR50KL.253G.