Singer 503 503A Rocketeer Sewing Machine Needle Position and Bight Indicator Plate 174607

Vintage Singer 503 / 503A Rocketeer sewing machine needle position and bight amplitude indicator plate. Nice vintage condition, displays well but will have minor scratches from use. Comes with mounting screws and light lead clip. Original, genuine Simanco parts, includes #174607 indicator plate, #172164 light lead clip, #51384 and #140755 screws.