Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 50040 found under Cylinder Compressed Gas Nitrogen by Harsco Corporation. The National Stock Number assigned to this part is 8120015325418, 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 50040.