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197740 - Miller Nylon Strain Relief Nut PG21 Thread

Packaging: 1 PER EA
$9.11/EA $5.61/1 PER EA only $5.61/EASave 38%

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OVERVIEW

Secure Your Welding Cables with Miller OEM Parts

Keep your Miller welding machine running safely and reliably with the Miller 197740 Nylon Strain Relief Nut. In the rough and tumble environment of a welding shop, small parts like conduit nuts can sometimes crack, strip, or get lost during maintenance. This specific nylon nut is the direct replacement for the strain relief fittings on various Miller power sources and wire feeders. It is designed to lock your cable conduit in place, ensuring that a tug on the welding gun or power cord doesn't rip wires loose inside the machine.

Why use the OEM nylon nut? Fit and safety. This nut is threaded specifically for PG21 fittings, a standard that can be hard to match with generic hardware store parts. Its nylon construction is tough enough to hold the cable secure but won't rust or conduct electricity, adding an extra layer of safety to your equipment setup. Installing this nut is a quick fix that prevents major headaches down the road, such as intermittent arc issues caused by loose internal connections or damaged wiring harnesses.

Whether you are refurbishing an older machine or simply replacing a damaged strain relief assembly, using the correct Miller 197740 nut ensures your equipment remains up to factory code. Don't risk your machine's reliability with makeshift fixes; secure your power and control cables properly with the part designed for the job.

Additional Information
Brand:Miller
Packaging Description:pack of 1
Material:Nylon
Thread Size:PG21
Outer Diameter:1.406"
Thickness:0.281 in
Type:Strain Relief Conduit Nut

INCLUDED

  • 1 x Miller 197740 Nylon Strain Relief Nut (PG21)

APPLICATIONS

  • Securing PG21 strain relief fittings to welding machine chassis
  • Replacement of cracked or stripped conduit nuts on Miller equipment
  • Anchoring power cables and control cords to prevent internal wiring damage
  • General industrial electrical maintenance requiring PG21 nylon locknuts

FAQ

This nut features a PG21 thread, which is a specific Panzergewinde technical thread standard used for conduit and cable glands.

It is made of durable nylon, offering electrical insulation and resistance to corrosion.

The nut has an outer diameter (OD) of 1.406 inches and a thickness of 0.281 inches.

Yes, this is a genuine Miller OEM part, ensuring correct fitment and quality.

Nylon is non-conductive and won't corrode. Using the OEM nylon nut ensures you don't accidentally create an electrical path or damage the threads on the plastic strain relief body.

No, this item is the nut only. The strain relief fitting or conduit is sold separately.

This product is sold as a package of 1.

Without this nut, the strain relief fitting can come loose, allowing the cable to pull on internal connections, which may cause the machine to stop working or create a safety hazard.