3.5" Single Groove B Section 5L Sheave with 5/8" (0.625") Keyed Bore - BK34 5/8" • Inlet and Outlet: 1/4"

• Inlet and Outlet: 1/4" Female NPT (measure about 1/2" in diameter)

• 3/8" Male NPT Threads

• Size: B65 also known as a 5L680

• Service Factor: 1

) The unloader equipped on this switch is used to unload the air pressure off the head of the compressor when the compressor shuts off

3.5" Single Groove B Section 5L Sheave with 5/8" (0.625") Keyed Bore - BK34 5/8" • Inlet and Outlet: 1/4"Cast Iron 3. 5" Pulley Single Groove B Section V Belt 5L w 5 8" Sheave Bushing Masterdrive single groove 3. 5" pulley for B 5L 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 which makes them less reliable in many working conditions. This pulley is designed to be used with B