Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1753F1SH1PC20 found under Stem Fluid Valve by Attwood Corp. The National Stock Number assigned to this part is 4820004462591, 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 1753F1SH1PC20.