Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number FCA00-004 found under Lamp Incandescent by Veeco Instruments Inc. The National Stock Number assigned to this part is 6240009412698, 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 FCA00-004.