Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 4CM4BT316 found under Adapter Straight Pipe To Tube by Circor Intl Inc. The National Stock Number assigned to this part is 4730000529544, and the Federal Supply Class is 4730 Hose Pipe Tube Lubrication And Railing Fittings. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 4CM4BT316.