AF 4165-20 – #20 Female O-Ring Face Braze-On (1-1/4 TUBE OD)
Nominal Size: 1-1/4 Female O-Ring Face Braze-On Sleeve. Tube Size (Nominal Size). Many OEMs favor this connector type because of its excellent sealing ability and vibration resistance. Item Type: Adapter Fitting – O-Ring Face Braze-On Sleeve.