Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 451253A2 found under Transducer Pressure by Interstate Electronics Inc. The National Stock Number assigned to this part is 1560004988859, and the Federal Supply Class is 1560 Airframe Structural Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 451253A2.