Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number LG350BK found under Light Head Utility by Princeton Tectonics Inc. The National Stock Number assigned to this part is 6230016533830, and the Federal Supply Class is 6230 Electric Portable And Hand Lighting Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like LG350BK.