NSI-Bridgeport Fittings 3/4 in. Zinc-Plated Steel Compression Coupling
The Bridgeport Fittings Model 3101 is a 3/4 in. compression-type coupling designed to join sections of Rigid or IMC steel conduit. The zinc-plated steel construction provides corrosion resistance, while the compression connection delivers a secure, vibration-resistant joint without threading.
Specifications
- Trade Size: 3/4 inch
- Material: Steel with zinc plating
- Connection Type: Compression
- Dimensions: 1-7/8 x 1/2 x 1-5/8 in.
- Standards: UL-514B, NEMA FB-1
Features
- Compression connection — no threading required for installation
- Joins Rigid or IMC conduit sections reliably
- Zinc-plated steel resists corrosion in standard environments
- Meets UL-514B and NEMA FB-1 standards for quality and performance
Applications
Used in commercial and industrial electrical installations for coupling Rigid or IMC conduit runs. Compression fittings are preferred where vibration, movement, or quick installation is a priority.




