Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AW1-7-8-31DF4 found under Gage Absolute Pressure Dial Indi by Ametek Inc. The National Stock Number assigned to this part is 6685000800177, 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 AW1-7-8-31DF4.