Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number BS-1003-C-6-F-BR-CN-B-Z found under Cooler Fluid Industrial by Thermal Transfer Products Ltd. The National Stock Number assigned to this part is 4420016017921, 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 BS-1003-C-6-F-BR-CN-B-Z.