Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 440C1S3-120LC found under Hygrometer Dial Indicating by Eg And G Inc. The National Stock Number assigned to this part is 6685010390701, 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 440C1S3-120LC.