GRACO M680 Pump Lower Rebuild Kit (16W508) - (SKU: 16W508)The GRACO 16W508 is a pump lower rebuild kit designed for the M680 series mortar pumps. It contains all necessary soft seals and hardened stainless steel check balls, intended for restoring or maintaining the performance of the pump lower assembly in heavy duty material handling applications. Key Features: Pump Lower Rebuild Kit M680, 680cc Pump Lower Soft parts plus hardened stainless steel balls 1000 psi (7 MPa, 69 bar) Maximum Fluid Working

leak-free connections are required

intended to deliver grease reliably within industrial and vehicle service environments

Modular design for easy maintenance and replacement

The GRACO 122821 is a piston distributor injector designed for single-point lubrication systems

UL-listed (for Husky 1050 series)

The GRACO 129631 is a potentiometer and encoder component designed for use in GRACO airless paint sprayers

electric motor variant)

Plastic pail

86 MPa) depending on model variant[1][2][5]

It features a 3/8 inch NPSM (National Pipe Straight Mechanical) female thread and a 1/4 inch internal diameter

It is used to connect pipes of different sizes

Its intended function is to ensure reliable operation and longevity within GRACO lubrication or fluid handling systems