Part Number: 8.704-037.0
Cross Reference Part Number(s): 109287, 87040370

This VITON™ back up ring is used in select 22 mm Quick Connect Sockets to fill the extrusion gap and provide extra protection against o-ring failure. It can withstand temperatures of up to 300 Degrees F and stands up well to aggressive pressure washing chemicals, such as caustic detergents and acids.