Heyco Window View Port Plugs
Heyco Window View Port Plugs are molded of transparent polycarbonate for internal viewing or light transmission. These Heyco window plugs come in multiple sizes for use in holes with diameters ranging from 4.7mm to 50.8mm. These View Port plugs snap into mounting holes with fingertip pressure. No tools are required. The plugs lock firmly into panels up to 3.2mm thick and are available in single- or multi-locking-step versions. These Heyco plugs provide a UL 94V-2 flammability rating and are rated for a -40°C to +115°C temperature range.
Features
- Molded of transparent polycarbonate for internal viewing or light transmission
- Snaps into mounting holes with fingertip pressure - no tools required
- Multiple sizes for use in 4.7mm to 50.8mm diameter holes
- Locks firmly into panels up to 3.2mm thick
- Locking fingers in fractional increments up to the maximum panel thickness
- 1.6mm approximate head thickness
Applications
- Enclosure inspection ports
- Light-transmission openings for LED indicators or status lights
- Electrical panels
- Junction boxes
- Control equipment
Specifications
- Polycarbonate material
- Panel thickness
- Up to 1.6mm (single locking step)
- Up to 3.2mm (multiple locking steps)
- UL 94V-2 flammability rating
- 4.7mm to 50.8mm mounting hole diameter range
- -40°C to +115°C operating temperature range
Dimensions
Published: 2026-03-13
| Updated: 2026-03-19