Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 5161-041 found under Adapter Straight Pi by Flagg Stanley G And Co Inc. The National Stock Number assigned to this part is 4730015411323, 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 5161-041.