Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 90EF-B1488FL4-1220 found under Elbow Swivel Flange To Hose by Hydrasearch Co Inc. The National Stock Number assigned to this part is 4730003028025, 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 90EF-B1488FL4-1220.