Graco 103975 Lock Washer
$7.30
In Stock
The Graco 103975 Lock Washer is a genuine 3/8" stainless steel spring washer designed to keep fasteners secure under vibration and pressure. Ideal for maintaining reliability in professional paint and fluid-handling equipment.
- Part Number: 103975
- Material: Stainless Steel (SST)
- Size: 3/8 inch
- Function: Prevents bolt or nut loosening during operation
- Used In: Agitators, Ram Modules, BES Systems
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Genuine OEM Part
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Compatibility & Key Facts for Graco 103975 (Washer, Lock)
Below are the verified assemblies/modules where the genuine Graco 103975 Lock Washer is called out in parts lists. Always match against your machine’s parts manual before ordering.
Compatible Machines / Assemblies
- Air-Driven Stainless-Steel Agitator Assemblies (e.g., Models 204536, 222695, 224572)
- Sanitary Ram Module Systems (Models 234009, 234010, 234011, 234012)
- BES (Bulk Evacuation System) pump/module assemblies (e.g., BES 300 family)
Key Specifications
| Part Number | 103975 |
|---|---|
| Official Description | Washer, Lock (spring-type) |
| Nominal Size | 3/8 in |
| Material | Stainless Steel (SST) |
| Function | Helps prevent loosening of fasteners due to vibration/rotation in finishing & pumping equipment |
| Typical Use | Hardware component within Graco agitators, ram modules, and bulk evacuation systems |
Frequently Asked Questions
| Question | Answer |
|---|---|
| Is 103975 used on handheld or contractor airless sprayers? | It can be used wherever a 3/8 in stainless Lock Washer is specified. Not all handheld/contractor sprayers call out this exact part number—verify against the specific model’s parts manual. |
| Can I substitute a plain/flat washer? | No. A plain washer does not provide the locking action needed to resist vibration; always use the specified Washer, Lock. |
| What material is it? | Stainless Steel (SST), suitable for use around fluids/cleanup environments where corrosion resistance is preferred. |
| How do I confirm compatibility? | Check your unit’s official parts list or BOM. If it calls out Graco 103975 (3/8 in SST spring lock washer), this is the correct replacement. |
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