Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number VL9881 found under Lamp Fluorescent by Duro Test Lighting. The National Stock Number assigned to this part is 6240013140501, 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 VL9881.