Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number RA100 31RCN found under Resistor Variable W by The Technical Material Corporation. The National Stock Number assigned to this part is 5905002555691, 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 RA100 31RCN.