Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number D23942A PC 42 found under Semiconductor Device Diode by Mik Lin Inc. The National Stock Number assigned to this part is 5961011263790, 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 D23942A PC 42.