Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3021624 found under Coupling Tube by Pratt And Whitney Canada Inc Whi. The National Stock Number assigned to this part is 4730000011671, 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 3021624.