Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SS49TB833 4J 13Y found under Restrictor Unit Flu by Sikorsky Aircraft Corporation. The National Stock Number assigned to this part is 4730015477327, 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 SS49TB833 4J 13Y.