Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 857 A C2A 22K found under Light Indicator by Sloan Company The. The National Stock Number assigned to this part is 6210012255331, 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 857 A C2A 22K.