Special Order: T/SPRING KEYING PLUG Connector Hardware Accessory Type: Keying Plug Primary Product Color: Natural Primary Product Material: Nylon Operating Temperature (Max): 185 °F Operating Temperature (Max): 85 °C Keying Plug Natural | Connector Hardware | Part Number: 531226-1 | Internal Number: 531226-1 | Alias Number: 15563 | Nylon | TE Connectivity