Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 9012PW CRH01S found under Amplifier Audio Fre by University Sound Inc. The National Stock Number assigned to this part is 5996012793903, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 9012PW CRH01S.