Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 340.0 found under Fixture Lighting by Winchester Industries Inc. The National Stock Number assigned to this part is 6210009905556, and the Federal Supply Class is 6210 Indoor And Outdoor Electrical Lighting Fixtures. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 340.0.