322979PC7

Optical instrument window

322979PC7 Description

22.802 millimeters diameter, 3.9542 millimeters thickness, glass, optical, jan-g-174, type 523-586, grade a material, glass, optical, jan-g-174, type 523-586, grade a iii material.

Properties of 322979PC7

Diameter:
Between 22.802 millimeters and 23.000 millimeters
Thickness:
Between 3.9542 millimeters and 4.0457 millimeters
Refraction Index:
1.5230
Polished Surface:
Both
Dispersion:
58.6 angstroms
Reflection Reducing Surface:
Both
Polished Periphery:
Not provided
Material:
Glass, optical, jan-g-174, type 523-586, grade a
Material:
Glass, optical, jan-g-174, type 523-586, grade a
Fsc Application Data:
Rangefinder mk 63
NSN:
1240-00-530-0735
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