Graco 166197 Retainer Swivel Nut
Retaining fastener for a swivel-nut assembly on fluid/hose connections. Use to keep the swivel secure under pressure and vibration—verify fit in your model’s parts list.
- Part No.: 166197
- Type: Retainer (swivel-nut assembly)
- Location: Pump/manifold or hose swivel joint
- Benefit: Reduces leaks and loosening
- Fit Check: Confirm via illustrated parts manual
Overview & Key Details
Compatible Machines
This is a model-specific component. Graco does not publish a universal fit list for this part. Please confirm compatibility by checking your sprayer’s parts manual (pump/hoseline swivel assembly) or contact us with your model & serial number for verification.
Product Name
Graco 166197 Retainer, Swivel Nut
What it does
A retaining fastener used within a swivel-nut assembly to secure the joint on fluid or hose connections. It helps keep the swivel in position under operating pressure and vibration, reducing the chance of leaks or loosening at the connection.
Key Info
| Part Number | 166197 |
|---|---|
| Part Type | Retainer for swivel-nut assembly (fastener) |
| Typical Location | Fluid/hose swivel connection on pump/manifold or hose reel assemblies (varies by model) |
| Install Notes | Inspect mating swivel, threads, and seals; torque per model-specific service manual |
How to Verify Fit (Quick Steps)
- Open your sprayer’s Parts/Repair Manual for the exact model and revision.
- Navigate to the pump or hose swivel assembly diagram.
- Match the callout for “retainer / swivel nut” to part 166197.
- If the number differs, use the manual’s “older/newer models” notes or contact us.
Why this part matters
- Maintains secure retention at a high-pressure swivel joint
- Helps prevent leaks and joint loosening
- Supports long-term reliability of fluid connections
Frequently Asked Questions
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