2-1/2" Steel Compression Type Connectors with Insulated Throat

2-1/2" Steel Compression Type Connectors with Insulated Throat - EMT Connectors This 2-1/2" steel compression type connector with insulated throat is designed for secure, concrete-tight joining of thin wall EMT conduit to boxes or enclosures. Manufactured by Southwire under part number 657SI, it is suitable for electrical distributors and switchgear suppliers seeking reliable conduit fittings. The connector features a zinc plated steel finish for mechanical protection and corrosion resistance, meeting UL 514B and NEMA FB-1 standards. Specifications Material: Steel Finish: Zinc Plated Connection: Threaded x Compression Insulation: Insulated Throat Size: 2-1/2" Product Weight: 1.5460 lbs Manufacturer Part #: 657SI UPC: 751338169012 Features Compression type connector providing concrete-tight seal Insulated throat for additional abrasion protection Includes zinc plated steel locknut for secure assembly Fabricated from strong, resilient steel for durability UL listed and NEMA/ANSI FB-1 compliant Downloads & Links Spec Sheet