Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SW-0075-XX found under Valve Ball by A T Controls Inc. The National Stock Number assigned to this part is 4820016314811, and the Federal Supply Class is 4820 Valves Nonpowered. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like SW-0075-XX.