Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number RT7 8 253JA1A3R026 found under Resistor Variable W by Data Instruments Inc. The National Stock Number assigned to this part is 5905005779510, 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 RT7 8 253JA1A3R026.