This is a Van Keuren 58541 Optical Flat 5 inch.
Some tape on outer edge
Specifications”
– Diameter 5″
– Width 7/8″.

BMI Surplus, Inc. has a huge inventory of used, new and pre-owned Optical Windows and Flats for sale.
We will work with you individually to find the perfect set up for your application..

Buy online or give us a call at 781-871-8868. We have experienced customer service representatives standing by ready to help you!

BMI Surplus, Inc. is a dealer in used and sometimes new Surplus Scientific and Industrial Equipment – we cater to clients in search of items to be used for specific applications.
We do not offer a guarantee as many of our items are purchased by professionals in need of parts and pieces.
You will find many of our items listed on our website as untested or as parts or repair units even though in they are in good used condition.

**Shipping, Handling and Freight fees are dependent on your location.
We will provide a freight quote to meet your individual needs and work with you if you prefer to use your own carrier.
We have 32 years of experience shipping sensitive scientific instruments and industrial equipment!

Don’t see what you are looking for? Use our orange search box on the top right hand corner of this page to customize your search.

***MPN 58541
***OEM Van Keuren
***SKU*** 28023

This is a Van Keuren 40613 Optical Flat 4 inch.
Specifications:
– 4″ diameter
– 3/4″ thick.

BMI Surplus, Inc. has a huge inventory of used, new and pre-owned Optical Windows and Flats for sale.
We will work with you individually to find the perfect set up for your application..

Buy online or give us a call at 781-871-8868. We have experienced customer service representatives standing by ready to help you!

BMI Surplus, Inc. is a dealer in used and sometimes new Surplus Scientific and Industrial Equipment – we cater to clients in search of items to be used for specific applications.
We do not offer a guarantee as many of our items are purchased by professionals in need of parts and pieces.
You will find many of our items listed on our website as untested or as parts or repair units even though in they are in good used condition.

**Shipping, Handling and Freight fees are dependent on your location.
We will provide a freight quote to meet your individual needs and work with you if you prefer to use your own carrier.
We have 32 years of experience shipping sensitive scientific instruments and industrial equipment!

Don’t see what you are looking for? Use our orange search box on the top right hand corner of this page to customize your search..

***MPN 40613
***OEM Van Keuren
***SKU*** 28022