Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number FS-2000B-BL found under Moulage Kit Bleeding Simulation by Skedco Inc. The National Stock Number assigned to this part is 6910016238530, 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 FS-2000B-BL.