Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number VFS-4B2 found under Ball Joint by Alinabal Holdings Corporation. The National Stock Number assigned to this part is 3040012404458, and the Federal Supply Class is 3040 Miscellaneous Power Transmission Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like VFS-4B2.