Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 17W A19 046677418403 found under Lamp Light Emitting by Philips Electronics North American. The National Stock Number assigned to this part is 6240016229388, 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 17W A19 046677418403.