Graco 166049 Swivel Nut
$129.00
In Stock
The Graco 166049 Swivel Nut is an OEM stainless coupling nut used in Graco fluid systems for secure, leak-free hose connections.
- Thread size: 1" NPT
- Hex outer diameter: 1-1/2"
- Approx. length: 1.45"
- Prevents hose twisting during operation
- Ensures correct fit and pressure performance
Quantity
Genuine OEM Part
Fast Shipping (Order by 1 PM CST)
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Compatibility & OEM Details
Compatible Machines
Model-specific compatibility for this part is not publicly listed by Graco. Please confirm against your sprayer’s parts list or assembly diagram (look for pump/manifold hose swivel connections using 1" NPT).
Graco 166049 Nut, Swivel — Genuine OEM
Graco 166049 Swivel Nut is a genuine OEM coupling nut used in Graco fluid systems to secure a swiveling hose/pipe connection without twisting the hose. Ideal for maintaining leak-free joints and correct pressure performance when servicing Graco pump and manifold assemblies.
Specifications
| Part Number | 166049 (also shown as 166-049) |
|---|---|
| Item Name | Nut, Swivel |
| Thread / Connection | 1" NPT (typical listing) |
| Hex OD | 1-1/2" (typical listing) |
| Approx. Length | ~1.45" (≈37 mm) |
| Material | Stainless (per common listings) |
Overview
- Maintains a secure, swiveling joint on fluid lines to reduce hose twist and wear.
- OEM build helps ensure proper fit, sealing surface quality, and pressure capability.
- Use when servicing Graco fluid sections, manifolds, or hose assemblies that specify this part number.
Fit Guidance
- Always verify the part number in your model’s official parts list or exploded diagram.
- Confirm thread type/size (1" NPT) and mating component requirements before install.
- Inspect threads and sealing faces; replace worn adapters or gaskets as needed.
- Tighten to manufacturer-recommended torque; do not overtighten to avoid damage.
Frequently Asked Questions
Graco does not publish a universal cross-model list for this part. Check your machine’s parts list; if 166049 is referenced for your hose/manifold connection, it will fit. If you’re unsure, share your model and serial number for confirmation before ordering.
Typical listings show a 1" NPT swivel connection with a 1-1/2" hex OD. It’s used on fluid lines—commonly between pump/manifold and hose assemblies—to allow rotation without loosening the joint.
Clean and inspect threads, confirm orientation, and tighten to spec. After installation, pressure-test at a safe level to check for leaks. Replace mating adapters or seals if pitted or damaged.
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