Graco 100128 Washer Lock
$7.95
Available to Order
The Graco 100128 Washer, Lock (5/8") is a genuine OEM part designed to secure bolts and prevent loosening under vibration. Commonly used in various Graco assemblies and systems.
- Part Number: 100128
- Type: Lock Washer, 5/8"
- Used In: Supply Systems, Gear Meter, Hydra-Cat, Extruder Units
- Purpose: Maintains joint tightness and assembly integrity
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Genuine OEM Part
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Overview: Graco 100128 Washer Lock (5/8")
Compatible Machines / Systems
The Graco 100128 Washer Lock (5/8") is a standard OEM component used in various Graco industrial and airless spray systems. Please confirm compatibility with your equipment manual before ordering.
- General Industry Supply Systems – used in tie-rod and platen assemblies.
- 1:1 Extruder Systems (Check-Mate® / Ram) – appears in multiple parts lists.
- Gear Meter Systems – listed in gear-pump frame assemblies.
- Hydra-Cat® Proportioners – used for vibration-resistant fastening.
- Fluid Automation F4 Series – included in mix-dispense frame hardware.
Product Details
| Part Number | 100128 |
|---|---|
| Official Name | Washer, Lock (5/8") |
| Function | Prevents loosening of nuts and bolts under vibration or stress loads. |
| Common Use | Typically paired with Graco 100127 Nut (5/8-11) in tie-rod or frame assemblies. |
| Category | Fasteners / Hardware Components |
Why Choose Genuine OEM
- Designed to meet Graco factory specifications for size and tolerance.
- Ensures reliable performance and proper torque retention under vibration.
- Easy cross-reference using the original Graco part number 100128.
Frequently Asked Questions
While dimensionally similar, the Graco 100128 Washer Lock is the OEM-specified version used in Graco assemblies. Using the genuine part ensures proper fit and reliability.
It appears in manuals for General Industry Supply Systems, 1:1 Extruder Units, Gear Meter Systems, Hydra-Cat Proportioners, and Fluid Automation F4 Series.
This washer lock is designed for a 5/8-inch bolt or nut interface, as referenced in multiple Graco manuals.
Check the exploded parts diagram for your model. If 100128 is listed alongside 100127 Nut (5/8-11), it’s the correct lock washer for your assembly.
The Graco 100128 Washer Lock is manufactured from durable, high-grade steel for strength and vibration resistance in industrial environments.
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