This website uses cookies. You can find out more by viewing our cookie policy hereAccept & Close



Catalogue Technical Specification
Material Properties of Elastomer Rubber

CAD Data

3D CAD Files
2D CAD Files
GN537 Type A 3D CAD Model
GN537 Type B 3D CAD Model


GN537 Oil Level Sight Glass, Aluminium & Perspex, No Thread Required



GN537: Oil Level Sight Glass

CAD Viewer Technical Data

Series Selector


Type A - Without Markings

Type B - With Max/Min Level Marks

CAD Viewer Technical Data

Product Description 

GN537 Oil Level Sight Glass, Aluminium & Perspex, No Thread Required 

These oil level sight glasses GN 537 are easily installed without the need for a screw thread.

The oil level sight glass is inserted into the bore d2 to H11. By simply tightening the ring nut using a pin key GN537.1, the seal is pressed against the contact surface. At the same time this will hold the sight glass in position. For removal, simply reverse the procedure.

Please note that a GN537.1 pin key is required for correct installation, and must be purchased separately 

Their application is limited to either non-pressurised or only slightly pressurised tanks.


Ring nut - Aluminium AL

Window glass - Perspex (PMMA)

Temperature resistant up to 80°C

Sealing ring - rubber NBR (Perbunan)

Contrast screen - Plastic, white, with red oil level marks.


Pin key for installation GN537.1

Related Series

Quality & Certification
Download our quality certificates & service information documentation


Email Address:

University or DIY Project
Friendly, technical help & advice No minimum charge for small orders

Our Reviews & Feedback
Our customers are important to us Real feedback from real customers

Trade Accounts Welcome
30 day credit accounts available Easy, quick online application form

Key Cloud...
Oil Level Sight Glasses GN537 Aluminium Perspex No Thread Required installed without screw thread GN537 GN 537

HomeContact UsCompanyProductsYour BergerCataloguesFAQsDiscounts & Delivery ChargesBusiness Code of PractiseTerms and Conditions
Follow Us
© Berger Tools Ltd 2018 Admin Website by Goldhosts
Payment Methods