Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number GL-125 found under Gage Indicating Ext by Dixon Valve And Coupling Co. The National Stock Number assigned to this part is 5210015397547, 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 GL-125.