Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 453 8741-665 found under Coupling Clamp Grooved by Bae Systems Land And Armaments L P. The National Stock Number assigned to this part is 5342013071919, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 453 8741-665.