Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number B12848A164 found under Resistor Variable Nonwire Wound by Protech Inc. The National Stock Number assigned to this part is 5905001585313, 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 B12848A164.