5" Single Groove A Section 4L Sheave with 5/8" (0.625") Keyed Bore - AK51-5/8 3.5" The valve includes a 1/8"

The valve includes a 1/8" Female NPT side port

This is a top quality air filter / silencer

in this case

• For use with RapidAir aluminum piping system

Valve Inlet Threads: 3/4" Female NPT (measure about 1" inside diameter)

5" Single Groove A Section 4L Sheave with 5/8" (0.625") Keyed Bore - AK51-5/8 3.5" The valve includes a 1/8"Cast Iron 5" Single Groove V Style A Belt 4L for 5 8" Shaft Pulley Sheave Masterdrive single groove 5" pulley for A Section 4L belts. This is a high quality cast iron pulley. This pulley is designed to fit a 5 8" keyed shaft and features dual set screws to ensure a completely secure fitting. Most pulleys that are similar to this only have one set screw, making them less reliable in many working conditions. This pulley is designed to be used with A