Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number LWM-34-66-3-4 found under by White Plains Electrical Lighting Inc. The National Stock Number assigned to this part is 7690001723726, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like LWM-34-66-3-4.