Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1N2621B found under Semiconductor Device Diode by Microsemi Corporation. The National Stock Number assigned to this part is 5961009037327, 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 1N2621B.