Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number B1527-F found under Stop Hose by Searle Leather And Packing Co. The National Stock Number assigned to this part is 4730013136080, 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 B1527-F.