LIGO Document D2300135-v4
- SPECIFICATION CONTROL DRAWING: LIGO, VE, COMFORMANT VIEWPORTS
The purpose of this specification control drawing is to describe the specific quality, type, coating, and feature requirements for 10" OD AND 8" OD commercial off-the-shelf viewports.
Sheet 1: Conforming Viewport Type A (7056, VARIANT I): 5.52" clear aperture. (Supplied with Borosilicate window)
Sheet 2: Non-Conforming Viewport Type B (7056, VARIANT II); 5.38" clear aperture. (Supplied with Borosilicate window)
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