Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number T52-15 found under Gage Cylinder Loadi by Acf Industries Inc. The National Stock Number assigned to this part is 5210004749161, and the Federal Supply Class is 5210 Measuring Tools Craftsmens. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like T52-15.