278693PC4

Optical instrument window

278693PC4 Description

24.0 millimeters diameter, 3.1 millimeters thickness, rangefinder mk57 end item identification, glass, optical, jan-g-174, grade c material.

Properties of 278693PC4

Diameter:
24.0 millimeters
Thickness:
3.1 millimeters
End Application:
Rangefinder mk57
Bevel Depth:
0.7 millimeters
Refraction Index:
1.5230
Polished Surface:
Both
Polished Periphery:
Not provided
Bevel Angle In Deg:
45.000
Material:
Glass, optical, jan-g-174, grade c
Material:
Glass, optical, jan-g-174, grade c
NSN:
1240-00-155-1366
Description:
Window,optical Instrument
Cage Code:
06175

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 05/02/2024