Our Viewport Window Plugs are manufactured from a transparent Polycarbonate which holds a flammability rating of UL94V-2 and temperature resistance between -40°c (-40°F) to 115°c (239°F). Available in both round and oval styles each of these 'Viewport' or 'Window Plugs' include locking fingers in it's design, which incrementally allows fitment for a range of panel thicknesses. These products are typically used to allow for internal viewing of an applications components, which can be anything from a servicing light, to a fuse location. 

We stock these Viewport Window Plugs in both round and oval sizes from 4.7mm up to 50.8mm, along with a number of standard wall thicknesses. To view all available sizes please see the table below, or alternatively you can give us a call if you require a custom solution or quantity. 

Key Product Features

• Manufactured from a UL94V-2 rated Polycarbonate
• Clear finish for easy internal viewing
• Round and oval styles available
• Locking fingers for easy fitment

Commonly Used For

• As plugs to provide a view of internal components
• As blanking plugs to blank off a hole

Need help with our range of Viewport Window Plugs? Give us a call on 01233 713 581

A = Mounting Hole Diameter
B = Panel Thickness
C = Head Diameter
D = Overall Height
E = Colour