Overview
The Bridgeport 106-S conduit locknut is a heavy-duty fastening component for rigid and intermediate metal conduit (IMC) installations. Constructed from zinc electroplated steel and UL listed under file E9391, this 2″ locknut provides reliable, corrosion-resistant performance in electrical enclosure and conduit box applications. The unit fastens threaded conduit to openings in boxes or enclosures with threaded entry points.
Key Features
- Material: Zinc electro-plated steel for corrosion resistance
- UL Listed: Complies with UL E9391/514B standards and CSA LR39354
- Trade Size: 2 inch trade size with 2-7/8 inch diameter
- Design: Round locknut with 3/16 inch thickness
- Installation: Threaded fastening for rigid and IMC conduit
- Bulk Packaging: Box of 50 units for contractor and installer efficiency
Technical Specifications
| Trade Size | 2 Inch |
| Diameter | 2-7/8 Inch (OD) |
| Thickness | 3/16 Inch |
| Material | Steel |
| Finish | Zinc Electroplated |
| Conduit Type | Rigid / IMC (Intermediate Metal Conduit) |
| Cable Entry | Through fitting or conduit attachment |
| Installation Method | Threaded |
| Quantity | 50 per box |
| UL File Number | E9391 |
| CSA File Number | LR39354 |
| Part Number | 106-S |
| Manufacturer | Bridgeport Fittings, LLC |
Typical Applications
- Commercial and industrial electrical installations requiring rigid or IMC conduit
- Enclosure and panelboard conduit entry points
- Motor control and power distribution applications
- Retrofit and maintenance projects in existing electrical systems
- Contractor and maintenance stockpiling for on-site availability
Compatibility & Replacements
Compatible With
- Rigid metal conduit (RMC) with threaded ends
- Intermediate metal conduit (IMC) with threaded connections
- Electrical boxes and enclosures with 2″ threaded knockout openings
- Standard NEMA enclosures and control panels
Replaces / Drop-In Replacement For
The Bridgeport 106-S is a standard UL-listed 2″ locknut. Verify specific compatibility with your enclosure or conduit system before ordering, as some applications may use proprietary or legacy fittings. Consult the equipment manufacturer’s documentation for exact replacement compatibility.
Works With
- Any threaded rigid or IMC conduit system meeting NEMA FB-1 standards
- Bridgeport and other manufacturer conduit bodies and fittings
- Federal specification A-A-50553 compliant systems
- UL-listed electrical enclosures and junction boxes
