Rotary 4307.  Pro Spur Sprocket / 3/8" Pitch, 7 Teeth

Carlton A7-PO-135-SS
GB PO531-A7X
Herr N230A7
Oregon 32790X
Poulan 952-048062, Poulan 952-048091, Poulan 530-048069, Poulan 530-048062
Ref No SPO531-37X
Laser 42039
NHC 085-1097X
Oregon 57-146, Oregon 32790
Prime Line 7-05139
Quality 500-N230A7
Rotary 4307
Sandvik PO148A7
Stens 085-109
Tilton TN230A7
Dayton 4Z251 AND 4Z397
Poulan 3400, 375, 3800, 395, 4000 and 3700
Sears 35885 (MANUFACTURED BY POULAN)