1073812

Optical instrument window

1073812 Description

25.200 millimeters diameter, 2.800 millimeters thickness, glass, optical, jan-g-174, type 523-586, grade c material, glass, optical, jan-g-174, type 523-586, grade c iii material.

Properties of 1073812

Diameter:
Between 25.200 millimeters and 25.400 millimeters
Thickness:
Between 2.800 millimeters and 3.200 millimeters
Refraction Index:
1.5230
Polished Surface:
One
Dispersion:
58.600 angstroms
Diffusion Producing Surface:
One
Polished Periphery:
Not provided
Material:
Glass, optical, jan-g-174, type 523-586, grade c
Material:
Glass, optical, jan-g-174, type 523-586, grade c
Fsc Application Data:
Telescope, straight
NSN:
1240-00-531-3719
Description:
Window,optical Instrument
Cage Code:
10001

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 05/17/2024