Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 401A2F found under Adapter Straight Pipe To Tube by Swagelok Ltd. The National Stock Number assigned to this part is 4730003954771, 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 401A2F.