Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 01-720-C175 SH 2 PC NO 12 found under Valve Expansion by Low Temp Industries Inc. The National Stock Number assigned to this part is 4820015104137, 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 01-720-C175 SH 2 PC NO 12.