Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 436XRL-11 found under Caliper Micrometer Outside by Starrett L S The Co Starrett Granite. The National Stock Number assigned to this part is 5210016669811, 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 436XRL-11.