Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number S2D10191 found under Insert Screw Thread by Vacco Industries. The National Stock Number assigned to this part is 5325014202044, and the Federal Supply Class is 5325 Fastening Devices. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like S2D10191.