Graco 111839 Mach Screw Pnh Sems
$5.25
In Stock
The Graco 111839 Screw, Mach PNH SEMS is a genuine OEM screw with a pre-assembled washer, ensuring secure and easy installation across multiple Graco systems.
- Part Type: Machine Screw (Pan Head with SEMS Washer)
- Use: Mounting control boards, panels, and housings
- Compatible Models: LineLazer IV 253920 & 253921, Model 311021
- OEM Quality: Durable, corrosion-resistant Graco original
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Genuine OEM Part
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Graco 111839 Screw, Mach PNH SEMS – Details and Compatibility
The Graco 111839 Screw, Mach PNH SEMS is a precision-engineered fastening component used in several Graco machines. It’s designed with a pan-head (PNH) and a SEMS washer, making it a reliable and easy-to-install screw for securing control boards, panels, and other mechanical assemblies.
Compatible Machines
- Graco LineLazer IV Automatic Layout System – Models 253920 & 253921
- Graco Model 311021 – Various Spray and Layout System Components
- Additional Graco equipment featuring control panels or electronic housings (check your model’s parts list)
Part Description
| Part Number | Description | Head Type | Features |
|---|---|---|---|
| 111839 | Screw, Mach (Machine Screw) | Pan Head (PNH) | Pre-assembled washer (SEMS) for quick installation |
This Graco machine screw is primarily used for mounting control boards, electronic panels, and small housings. The integrated SEMS washer reduces assembly time and ensures consistent fastening pressure.
Key Features
- Original Graco OEM part for guaranteed fit and performance
- SEMS washer reduces slippage and improves assembly reliability
- Corrosion-resistant material suited for long-term industrial use
- Used in LineLazer IV and other Graco spray system assemblies
Frequently Asked Questions
“SEMS” refers to a pre-assembled washer attached to the screw. This design simplifies installation and ensures consistent fastening without needing a separate washer.
To ensure compatibility, check your machine’s repair or parts manual. Look for part number 111839 in the screw or fastener list. You can also compare the specifications and screw type listed here.
Yes, this is an original Graco OEM part, ensuring perfect fit, durability, and manufacturer-backed quality assurance.
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