GRACO Shoulder Screw, 1/4 x 3/8” - (SKU: 108483)The GRACO 108483 SCREW, SHOULDER,SCH is a socket head shoulder screw designed for use in GRACO equipment, particularly the LineLazer III models. It is used to secure the arm jaw on the gun mount, ensuring proper alignment and stability. The material is not explicitly stated, but GRACO commonly uses zinc plated carbon steel or stainless steel for such components in their equipment[3][5]. Key Features: Shoulder screw, socket head 1 4 x 3 8 GRACO

Used for moving and stabilizing GRACO spray equipment such as airless sprayers and spray foam systems

Ensure the fill stud port is clean before installing the dust cap

particularly those utilizing Manzel® MVB Pumps for fluid transfer and filtration

3/4 in pump sizes)

Hand-tighten before using tools to avoid cross-threading

particularly in the assembly and maintenance of spray guns and pump components

Replace O-rings during routine maintenance or if leaks are detected

This unit is intended for use in industrial lubrication systems to ensure consistent and efficient grease supply to machinery and equipment

Essential for reliable system operation

The GRACO 105430 Nut

Used in fluid handling and lubrication systems within industrial

Follow GRACO’s recommended installation procedures for air and fluid lines