Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 199R-1A (110 220VAC60 1 found under Sewing Machine Indu by Consolidated Sewing Machine Corp. The National Stock Number assigned to this part is 3530008924647, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 199R-1A (110 220VAC60 1.