Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number BKA503869 found under Pin Lock by Bae Systems Integrated System Technologies Ltd. The National Stock Number assigned to this part is 5315991019124, and the Federal Supply Class is 5315 Nails Machine Keys And Pins. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like BKA503869.