Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PL 2063J-001 REV A ITEM NO. 28 found under Valve Sampling Hydraulic by Cs Controls Incorporated. The National Stock Number assigned to this part is 4820014532525, 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 PL 2063J-001 REV A ITEM NO. 28.