Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 62B-4C-0125 found under Gage Differential Dial Indicatin by Siemens Water Technologies Corp. The National Stock Number assigned to this part is 6685000417721, 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 62B-4C-0125.