16819-04

Optical instrument window

16819-04 Description

8.125 inches width, 12.188 inches length, transmittance 90% t avg 8.0 to 11.5 microns. Has mlar (multi-layer anti-reflection) coating. .

Features

Transmittance 90% t avg 8.0 to 11.5 microns. Has mlar (multi-layer anti-reflection) coating.

Properties of 16819-04

Width:
8.125 inches
Length:
12.188 inches
Polished Periphery:
Provided
Material:
Germanium
Material:
Germanium
Reference Number Differentiating Characteristics:
As differentiated by boeing drawing number 10-30477-1 cage 82918
NSN:
1240-00-499-4247
Description:
Window,optical Instrument
Cage Code:
22669

Definition Optical Instrument Window

A color free item of transparent or translucent material, usually optical glass, having specific light dispersive and refractive properties. This item must have two plane-parallel surfaces and is designed for use in an optical instrument to provide a barrier to foreign matter and/or permit light transmission in or to the optical system.

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Last modified 11/18/2024