PTL TPA HIGH TEMP 2 x 4 BLACK Connector Hardware Accessory Type: TPA (Terminal Position Assurance) Primary Product Color: Black Primary Product Material: Glass-Filled Nylon Operating Temperature (Max): 302 °F Operating Temperature (Max): 150 °C TPA (Terminal Position Assurance) Black | Locking Plate & Power Triple Lock & Tpa | Part Number: 1971778-4 | Internal Number: 1971778-4 | Glass-Filled Nylon | TE Connectivity | Power Triple Lock