Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 133533 found under Adapter Straight Pipe To Tube by Pratt And Whitney Canada Inc Whi. The National Stock Number assigned to this part is 4730001870840, 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 133533.