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Lewmar - Replacement Acrylic for New Standard Portlights

Lewmar - Replacement Acrylic for New Standard Portlights
Lewmar - Replacement Acrylic for New Standard PortlightsLewmar - Replacement Acrylic for New Standard PortlightsLewmar - Replacement Acrylic for New Standard Portlights


Portlight size:  
Acrylic colour:  

Manufacturer #:  360750209

Price:  £115.99(Inc. VAT @ 20%)

Replacement acrylics/lenses are available for Lewmar New Standard Mark 2 Opening Portlights. They are not available for fixedlights. See below identification information if you need help identifying your portlight.

Please note that clear and green acrylics are non-stock items and will be made to order. Please allow at least a 4 weeks lead time to have these manufactured.

We're currently unable to show live stock information on our website, so if you need delivery fast we strongly recommend checking availability first. Simply fill out the form below and we'll get back to you, or call us on +44 (0)1243 375774 for an immediate answer.

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E-mail Address:
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Average Rating (2 Reviews):  
Write a Review and share your opinions!

Great service
Friday, 18 May 2018  | 

Good service advised improved delivery and achieved Id
Will definitely use again

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This review has not been appraised.

Good kit
Friday, 17 February 2017  | 

Used this new kit to put in a new window with the latest hinge pin size. All parts needed in teh box, straight forward installation - perfect!

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Product Information

The New Standard acrylic kits come with the following items

Lewmar No. Description Quantity Size 0, 1, 2, & 3 Quantity Size 4, 4L & 4R  Quantity Size 5
380018310 Hinge block assembly 2 3 2
350018330 Handle pivot block 2 3 3
350016620 Long handle 2 3 3
350018950 Hinge pin 2 3 2
350018970 Acrylic 1 1 1
350018520 Alloy hinge 2 3 2
350018530 Alloy catch 2 3 3
B5023 Nylock nut 2 3 2
B5256 Cap head socket screw 2 3 2
350018320 Hinge insert 2 3 2
35001151 Handle catch packer 4 3 2
B5468 Green packer washer 2 2 2
B5982 Acrylic fitting instructions 1 1 1

Lewmar New Standard Portlight Sizes

Size Style Overall size Cut-out size
Width (Y) Height (X) Depth (Z) Radius (R) Width (Y1) Height (X1) Radius (R1)
0 Opening 323mm 176mm 4mm 62mm 303mm 156mm 52mm
1 Opening 367mm 191mm 4mm 62mm 347mm 171mm 52mm
1RE Opening 367mm 191mm 4mm 95.5mm 347mm 171mm 85.5mm
2 Opening 425mm 176mm 4mm 62mm 405mm 156mm 52mm
3 Opening 449mm 191mm 4mm 62mm 429mm 171mm 52mm
4 Opening 646mm 191mm 4mm 62mm 627mm 171mm 52mm
4L Opening 708mm 195mm 4mm 62mm 688mm 175mm 52mm
4R Opening 708mm 195mm 4mm 62mm 688mm 175mm 52mm
5 Opening 449mm 264mm 4mm 62mm 429mm 244mm 52mm
7RE Opening 425mm 191mm 4mm 95.5mm 405mm 171mm 85.5mm

Old Standard or New Standard Portlight?

New Standard Portlights superseded the old style in the later part of 1997, and they can be identified by the type of window closure. 

Old Standard New Standard
New Standard Portlight Handle Old Standard Portlight Handle

Mark 1 or Mark 2 New Standard?

From 1997 to June 2000 the New Standard Portlight was made with hinges and handle catches fixed to the frame with a pressing/staking process. These are the Mark 1 Portlights.

Staked catch Staked hinge

In June 2000 the portlight was changed to use screwed on catches and hinges, these are the Mark 2 models. The hinges and handle catches sometimes have packers under them to control the seal compression.

Screwed catch Screwed hinge

In 2008 the hinges were changed from using M4 fastenings as hinge pins to M5.

If you have screwed hinges and catches with M4 or M5 fastenings you need to purchase a Mark 2 Acrylic.

If you have M4 fastenings you will need to use the supplied replacement hinge kit to swap out the M4 hinges on your existing frame in order to fit the new lens. Please note that if you have a Bavaria acrylic with M4 fixings you will need to purchase this kit as they are not supplied.

Unfortunately, replacement acrylics are not available for Mark 1 New Standard Portlights.

If you are uncertain whether or not your portlights are Mark 1 or Mark 2, please contact us.

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