Part number 138-017 is a Coupling Nut that joins two threaded rods or components together in mechanical assemblies on compatible Commander and Admiral sprayer systems. This precision fastener ensures secure connections for reliable equipment operation.
| Part Number | 138-017 |
|---|---|
| Part Description | Coupling Nut |
| Fits | Commander; Admiral |
| Condition | New |
Part number 138-017 is a Coupling Nut specifically engineered for the Commander and Admiral series professional spray systems. These industrial-grade units are designed for demanding coating applications requiring reliable, high-pressure fluid delivery for commercial and industrial finishing. A coupling nut is a specialized fastener with internal threads running its entire length, used to join two male threaded rods or studs together. This creates a longer continuous threaded assembly or connects components that cannot be joined by a standard nut and bolt arrangement.
Manufactured from high-strength materials with precision-cut internal threads, this coupling nut provides reliable connections under high loads and vibration. The threads are engineered to exact specifications to ensure proper engagement with mating threaded rods. The nut may have a hexagonal exterior for wrench engagement, allowing for easy installation and tightening. Proper torque is essential to ensure the connection is secure and can withstand the forces encountered during operation.
This coupling nut is subjected to tensile loads, vibration, and potential corrosion. Failure modes include thread damage from over-torquing or cross-threading, corrosion weakening the nut, and fatigue cracking. A damaged or missing coupling nut can allow connected components to separate, leading to equipment failure. Replacement with genuine 138-017 coupling nut ensures proper connections and maintains the structural integrity of Commander and Admiral spray systems.
| Rod Connection | Joins two threaded rods or studs together |
|---|---|
| Length Extension | Creates longer continuous threaded assemblies |
| Component Joining | Connects components where standard nuts won't work |
| Thread Damage | Internal threads are stripped, crossed, or corroded |
|---|---|
| Hex Wear | Wrench flats are rounded, preventing proper torquing |
| Corrosion | Rust or chemical attack has weakened the nut |
| Missing | Nut lost during disassembly or operation |
Part number 138-017 is specifically designed for the Commander and Admiral series professional spray systems. These industrial-grade units are engineered for demanding coating applications requiring reliable, high-pressure fluid delivery. This coupling nut is a model-specific component engineered for the thread specifications, strength requirements, and connection standards of these particular sprayer systems. Always confirm fitment using the correct parts diagram for your exact model and serial number.
| Compatible Models | Component |
|---|---|
| Commander | Coupling Nut |
| Admiral |
The coupling nut is used with threaded rods or studs. When servicing, these related parts are often addressed at the same time.
The components the nut joins. Inspect threads for damage.
May be used to lock the coupling nut in place.
Prevents loosening under vibration.
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