Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number VAL1343 found under Valve Restrictor Ch by Worthington Compressors Inc. The National Stock Number assigned to this part is 4820006576811, and the Federal Supply Class is 4820 Valves Nonpowered. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like VAL1343.