Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 133250 found under Gage Pressure Dial Indicating by Ac Valve Inc. The National Stock Number assigned to this part is 4240016253353, and the Federal Supply Class is 4240 Safety And Rescue Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 133250.