50.8mm Clear Viewport Plug (54.8mm Head) | Polycarbonate

Product code: BLA425
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50.8mm Clear Viewport Plug (54.8mm Head) | Polycarbonate
50.8mm Clear Viewport Plug (54.8mm Head) | Polycarbonate
50.8mm Clear Viewport Plug (54.8mm Head) | Polycarbonate
50.8mm Clear Viewport Plug (54.8mm Head) | Polycarbonate
50.8mm Clear Viewport Plug (54.8mm Head) | Polycarbonate
50.8mm Clear Viewport Plug (54.8mm Head) | Polycarbonate
Quantity
Unit Price
(ex. VAT)
Unit Price
(inc. VAT)
1 - 2 £1.32 £1.58
3 - 249 £1.32 £1.58
250 - 499 £1.26 £1.51
500 - 999 £1.06 £1.27
1000 - 2499 £0.97 £1.16
2500 + £0.88 £1.05
£1.58 / each
Quantity:


Product Specification
Mounting Hole Diameter 50.8mm
Panel Thickness 3.2mm
Material Polycarbonate
Head Diameter 54.8mm
Overall Height 11.5mm
Colour Clear

Next Day or Standard Delivery available via DHL or Royal Mail.
Order by 4pm (UK) for same day dispatch, Monday to Thursday or 2pm Friday.

Larger Order?

Call our sales team on

01233 713581


Frequently Bought Together

Total Price: £0.00

50.8mm Clear Viewport Window Plug | 3.2mm Panel | Polycarbonate

Designed for larger inspection apertures where operators need clear internal visibility, this large clear viewport plug is made from clear Polycarbonate to suit a 50.8mm 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 wider viewing area supports checks on larger indicators, labels or mechanical positions behind the panel face. The 54.8mm head diameter and 11.5mm 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

  • Large round inspection windows in control cabinet faces
  • Industrial equipment panels needing a broad clear viewing area
  • Service covers for internal lights, gauges or markers
  • Panel assemblies requiring a durable polycarbonate viewing insert

50.8mm Clear Viewport Window Plug Dimensions

  • Mounting Hole Diameter: 50.8mm
  • Panel Thickness: 3.2mm
  • Head Diameter: 54.8mm
  • Overall Height: 11.5mm
  • 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

If you need help selecting the correct clear inspection plug for an enclosure, housing or control panel, the Vital Parts team can advise on 01233 713581. Support is available for trade orders, samples where available and repeat supply.

Please call for any enquiries!
Mon - Thurs 8.30 am - 5.30 pm
Fri 8.30 am - 3.30 pm
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