Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A7423.001.108 found under Guide Head Valve by Anderson Greenwood Lp. The National Stock Number assigned to this part is 4820011055722, 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 A7423.001.108.