Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A649 found under Valve Relief Amad A by Auscoinc. The National Stock Number assigned to this part is 6150014793949, and the Federal Supply Class is 6150 Miscellaneous Electric Power And Distribution Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like A649.