

Graco 107539 Nut Hex is a genuine OEM part designed for secure fastening in Graco pump and spray systems. Ensures reliable connection and long-lasting performance.
The Graco 107539 Nut Hex is a durable OEM fastener designed for use in Graco pump and spray equipment. It provides strong, reliable fastening for industrial and coating applications.
| Specification | Details |
|---|---|
| Part Number | 107539 |
| Type | Hex Nut (M12 Thread Size) |
| Function | Secures bolts and fittings within Graco fluid and pump assemblies |
| Material | High-strength metal with corrosion resistance |
| Dimensions | Standard M12 hex size (approx. 0.7 in width) |
| Applications | Used in spray systems, surge tanks, and metering assemblies |
The Graco 107539 Nut Hex plays a key role in maintaining structural integrity within Graco industrial systems. Commonly found in surge tank and displacement assemblies, it ensures strong, vibration-resistant fastening and long-term reliability. Each nut meets OEM specifications for exact fit and durability.
It serves as a fastening nut in Graco equipment, securing components like surge tanks and pump assemblies.
It is found in Graco Surge Tank assemblies (models 238983–238988) and LC0243 / LC0245 systems, among others.
The 107539 Nut Hex is an M12-sized fastener with a six-sided design for secure and stable tightening.
Yes, it may fit other systems using an M12 hex nut, but compatibility should always be confirmed through the model’s parts list.