Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 81084-029-004 found under Adapter Compressed Gas Cylinder by Curtiss Wright Corp. The National Stock Number assigned to this part is 8120015653955, 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 81084-029-004.