Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number LLR1904R found under Light Indicator by Industrial Electronic Engineers. The National Stock Number assigned to this part is 6210011021548, 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 LLR1904R.