Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 950A52-4800 found under Pressure Relief Device Assembly by Rego Co. The National Stock Number assigned to this part is 8120000790544, 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 950A52-4800.