Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SS 12M1 61 found under Coupling Body Tube by Swagelok Ltd. The National Stock Number assigned to this part is 4730013546959, 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 SS 12M1 61.