Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number WW58X11 found under Valve Angle by Trane Div American Standard Inc. The National Stock Number assigned to this part is 4820004329579, 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 WW58X11.