Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3-13638-1 found under Insert Screw Thread by A And M Aerospace Inc. The National Stock Number assigned to this part is 5325001151796, 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 3-13638-1.