CONNECTOR HINGE PIN
For Your Safety use a Main Arm Spring Safety Pin (RPI Part #PCP691) to lock the Main Arm Spring Assembly in place before you service or replace.
Material: Stainless steel
Size: 5/16" dia. x 1-5/16" lg.
Fits: Front Arm Assembly
Model(s) This Part Fits: www.rpiparts.com/SearchModelList.aspx?rpinum=PCP663