Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 802-A2-11-AL-2-J-1-F-1-B-2 found under Valve Check by Dynamic Controls Ltd. The National Stock Number assigned to this part is 4820016230462, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 802-A2-11-AL-2-J-1-F-1-B-2.