Sea Level and Altitude Connectors - Series 521 P/N 167-3516 (Sea Level) & P/N 167-4534 (Altitude)

Before you begin your assembly, make sure your bag contains the following detail parts:
 * NOTE: The connector body shown is the Series 521 Altitude version. Also available is a Sea Level version. The rest of the bag contents can be used on either the Altitude or Sea Level versions. The instructions provide detail steps to assemble either the Altitude or Sea Level version.
Use the buttons at the top of the window to navigate through the assembly.