Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CSK-9-01272-502 found under Panel Indicating Li by Bae Flight Systems Inc. The National Stock Number assigned to this part is 6220011964054, and the Federal Supply Class is 6220 Electric Vehicular Lights And Fixtures. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like CSK-9-01272-502.