Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 220D4851 found under Ventilator Lantern by Coleman Engineering Inc. The National Stock Number assigned to this part is 6260003335658, and the Federal Supply Class is 6260 Nonelectrical Lighting Fixtures. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 220D4851.