15.9mm Clear Viewport Plug (18.6mm Head) | Polycarbonate
| Quantity |
Unit Price
(ex. VAT)
|
Unit Price
(inc. VAT)
|
|---|---|---|
| 1 - 249 | £0.54 | £0.65 |
| 250 - 499 | £0.47 | £0.56 |
| 500 - 999 | £0.37 | £0.44 |
| 1000 - 2499 | £0.31 | £0.37 |
| 2500 - 4999 | £0.26 | £0.31 |
| 5000 + | £0.17 | £0.21 |
Product Specification
| Mounting Hole Diameter | 15.9mm |
| Panel Thickness | 3.2mm |
| Material | Polycarbonate |
| Head Diameter | 18.6mm |
| Overall Height | 10.3mm |
| Colour | Clear |
Frequently Bought Together
Total Price: £0.00
15.9mm Clear Viewport Window Plug | 3.2mm Panel | Polycarbonate
Providing a neat inspection window for sealed panels and fabricated housings, this transparent blanking plug is made from clear Polycarbonate to suit a 15.9mm mounting hole and 3.2mm panel thickness. It provides a clear viewing point for enclosed components while giving the panel opening a clean, protected finish.
The plug combines aperture closure and inspection visibility, reducing the need for separate viewing windows or exposed cut-outs. The 18.6mm head diameter and 10.3mm overall height make it suitable for accurately finished panel work where visibility, fit and practical protection all matter.
What Are Viewport Window Plugs?
Viewport window plugs are transparent panel inserts that close an aperture while still allowing internal visibility. They are used where engineers need to view indicators, fuses or internal features without opening the enclosure. Manufactured from clear polycarbonate, these inspection plugs are commonly used in equipment housings, control panels and machinery enclosures where passive visual monitoring is required.
Common Applications
- Machine guards with internal position indicators
- Sensor housings where visibility supports servicing
- Cabinet apertures that need dust reduction
- Panel build projects requiring clear polycarbonate inserts
15.9mm Clear Viewport Window Plug Dimensions
- Mounting Hole Diameter: 15.9mm
- Panel Thickness: 3.2mm
- Head Diameter: 18.6mm
- Overall Height: 10.3mm
- Colour: Clear
- Material: Polycarbonate
Inspection and Panel Protection
This viewport window plug helps reduce unnecessary panel opening by giving technicians a visible inspection point for internal equipment. The snap-fit design supports quick installation in prepared holes, making it suitable for production builds, control cabinet assembly and maintenance replacements.
View our full Viewport Window Plugs range.
Product Support and Trade Orders
For project quantities, panel compatibility advice or help comparing standard and short viewport plugs, call the Vital Parts team on 01233 713581. We can help with practical product guidance for UK manufacturing and maintenance teams.
Fri 8.30 am - 3.30 pm