Overview
The Appleton STNMSR50 wire mesh strain relief is a critical component for liquidtight flexible nonmetallic (LFNC) conduit systems. The 1/2″ mesh strain relief attachment works in conjunction with Appleton STNM Series flexible conduit connectors to deliver superior sealing and mechanical strain protection in industrial and commercial installations.
Key Features
- 1/2 inch NPT thread size compatible with STNM Series connectors
- Wire mesh construction provides strain relief and cable protection
- Stainless steel body and grip materials resist corrosion
- Replaces worn or damaged strain relief components quickly
- Sold as a box of 5 units for bulk installation projects
- Works with Type A flexible nonmetallic conduit systems
Technical Specifications
The STNM-SR Series strain relief is engineered to integrate seamlessly with Appleton’s proven liquidtight connector platform:
- Trade Size: 1/2 inch
- Thread Type: NPT (National Pipe Thread)
- Material: Stainless steel body and grip
- Strain Relief Type: Wire mesh
- Series: STNM-SR
- Package Quantity: 5 units per box
- Conduit Compatibility: Type A flexible nonmetallic conduit
Typical Applications
The Appleton STNMSR50 wire mesh strain relief is used in a wide range of industrial and commercial environments:
- Machine tool electrical connections where vibration is present
- Food and beverage processing facilities requiring washdown resistance
- Chemical and petrochemical manufacturing environments
- HVAC and refrigeration system installations
- Control panel and enclosure cable entries
- Outdoor electrical installations exposed to moisture
Compatibility & Replacements
Compatible With
- Appleton STNM Series flexible nonmetallic conduit connectors
- Type A liquidtight flexible nonmetallic conduit (LFNC-A)
- 1/2 inch NPT threaded enclosure openings
- Industrial control panels and junction boxes
- Equipment requiring UL 514A certified connectors
Replaces / Drop-In Replacement For
- Worn or damaged STNM-SR50 strain relief components
- Original equipment strain relief attachments for STNM connectors
- Similar 1/2″ wire mesh strain relief grips for liquidtight systems
Works With
- Appleton liquidtight connector family and accessories
- UL 514A certified conduit connector systems
- National Electrical Code (NEC) Article 356 LFNC installations
- Standard enclosure-mounted cable entry systems










