Singer cam stack gear. PLEASE identify by picture (note some models use gear #444911).Please note: This gear has gone through a design change, it may not look like the gear you are replacing. It is a molded nylon one piece gear.
Alternate Part Numbers
179958, 444918, 444922
Fits the following Singer sewing machine models
1800-series, 2300-series, 250-series, 2500-series, 3100-series, 350-series, 360-series, 4500-series, 5800-series, 67825, CM17, DX14, FM17, FM22, SM14, Sonata, 240-series