Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 212158-0009 found under Semiconductor Device Diode by Lucent Technologies Inc. The National Stock Number assigned to this part is 5961008475508, and the Federal Supply Class is 5961 Semiconductor Devices And Associated Hardware. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 212158-0009.