Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 4220-2430 found under Gauge Lf 0 100Psi A by 200 Park Inc. The National Stock Number assigned to this part is 1710015199084, 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 4220-2430.