Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number H13B1 found under Coupler Optoelectronic by General Electric Inc. The National Stock Number assigned to this part is 5980010428023, and the Federal Supply Class is 5980 Optoelectrical Devices And Associated Hardware. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like H13B1.