Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 233.54.100 0-40BAR 580PSI found under Gage Pressure Dial Indicating by Forberg Scientific Inc. The National Stock Number assigned to this part is 6620014680357, and the Federal Supply Class is 6620 Engine Instruments. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 233.54.100 0-40BAR 580PSI.