201769PC4

Optical instrument window

201769PC4 Description

43.0 millimeters diameter, 4.0 millimeters thickness, periscope mk26 end item identification, glass, optical, jan-g-174 material.

Properties of 201769PC4

Diameter:
43.0 millimeters
Thickness:
4.0 millimeters
End Application:
Periscope mk26
Bevel Depth:
1.0 millimeters
Refraction Index:
1.5171
Dispersion:
64.5 millimicrons
Polished Periphery:
Not provided
Bevel Angle In Deg:
45.000
Material:
Glass, optical, jan-g-174
Material:
Glass, optical, jan-g-174
NSN:
1240-00-389-3540
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 11/17/2024