Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 62C-4C-0040 found under Gage Differential Dial Indicatin by Wallace And Tiernan Canada Inc. The National Stock Number assigned to this part is 6685012070666, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 62C-4C-0040.