Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A53641 PC38 PC39 PC40 found under Spring Assembly Val by Tyco Valves And Controls Lp. The National Stock Number assigned to this part is 4820010348246, 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 A53641 PC38 PC39 PC40.