Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CAL-9299S-A found under Indicator Transmitter Ships Con by Barkley Mfg Co. The National Stock Number assigned to this part is 6320002243531, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like CAL-9299S-A.