Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number Q4004F1 found under Semiconductor Device Thyristor by Teccor Electronics Inc. The National Stock Number assigned to this part is 5961012292765, 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 Q4004F1.