Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1B4006 found under Nipple Quick Disconnect by Allied Enterprises Inc. The National Stock Number assigned to this part is 4730011844293, 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 1B4006.