Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PH1212B found under Semiconductor Device Diode by Parametric Industries Inc. The National Stock Number assigned to this part is 5961003698023, 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 PH1212B.