Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A3-06-1891 found under Light Marker Airport Runway by Acr Electronics Inc. The National Stock Number assigned to this part is 6210014905696, 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 A3-06-1891.