Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CSM25120R0030FBT found under Resistor Network Fi by Vishay Foil Resistors Vishay. The National Stock Number assigned to this part is 5905016284520, 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 CSM25120R0030FBT.