From Parker, never used or damaged. Connection Thread Size (inch): 1 - 11 1/2. Application: High impulse hydraulic, high pressure, non-spill, connect-disconnect under pressure. Maximum Operating Temperature: 250 °F. Product Type: Thread to connect. Minimum Operating Temperature: -40 °F. Seal Material: Nitrile - Polyurethane. Hex Size 1: 55 mm. Plating Type: Black FNC coating. Hex Size 2: 2 inch.