Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 038-001A006 found under Valve Check by Marine Ventures Ltd Ata Mv Fluids Ha. The National Stock Number assigned to this part is 4820013362004, 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 038-001A006.