Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A16311 found under Valve Plate Compressor by Mueller Brass Co. The National Stock Number assigned to this part is 4130000049011, and the Federal Supply Class is 4130 Refrigeration And Air Conditioning Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like A16311.