Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number BI-101-44 found under Lamp Incandescent by The Technical Material Corporation. The National Stock Number assigned to this part is 6240000572887, and the Federal Supply Class is 6240 Electric Lamps. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like BI-101-44.