Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number M2552 found under Coupling Pipe by Wilkes And Mc Lean Ltd. The National Stock Number assigned to this part is 4730015964986, 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 M2552.