Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 448Z-12 found under Gage Depth Vernier by S I T Corporation. The National Stock Number assigned to this part is 5210013160552, 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 448Z-12.