Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 53375 found under Tensioner Pulley Assembly by Dp Mfg Inc. The National Stock Number assigned to this part is 3950016045919, and the Federal Supply Class is 3950 Winches Hoists Cranes And Derricks. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 53375.