Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 40200 ITEM 3 found under Seal Ring Assembly by Exlar Corporation. The National Stock Number assigned to this part is 2825016485974, and the Federal Supply Class is 2825 Steam Turbines And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 40200 ITEM 3.