278703PC7

Optical instrument window

278703PC7 Description

7.850 millimeters diameter, 2.900 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 278703PC7

Diameter:
Between 7.850 millimeters and 7.920 millimeters
Thickness:
Between 2.900 millimeters and 3.200 millimeters
Bevel Depth:
0.800 millimeters
Refraction Index:
1.5230
Polished Surface:
One
Dispersion:
58.6 angstroms
Polished Periphery:
Not provided
Bevel Angle In Deg:
Between 44.834 and 45.166
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:
Rangefinder mk 33 mods 5 and 6
NSN:
1240-00-171-4224
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