Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 103-1200A found under Roller Seamer by Mic Industries Inc. The National Stock Number assigned to this part is 3461013959985, and the Federal Supply Class is 3461 Accessories For Secondary Metalworking Machinery. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 103-1200A.