Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 101-1PIECE 13 found under Valve Calibrated Flow by Bailey Refrigeration Co Inc. The National Stock Number assigned to this part is 4820011711985, 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 101-1PIECE 13.