Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3AL2216-49458-6.75X16.1-346-29CF found under Cylinder Compressed Gas Calibrat by Dla Aviation. The National Stock Number assigned to this part is 8120013743198, and the Federal Supply Class is 8120 Commercial And Industrial Gas Cylinders. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 3AL2216-49458-6.75X16.1-346-29CF.