12293803

Optical instrument window

12293803 Description

2.360 inches diameter, 0.250 inches thickness, ground surface finish, glass, optical, MIL-G-174, class 1, grade b material.

Properties of 12293803

Diameter:
Between 2.360 inches and 2.364 inches
Thickness:
0.250 inches
Surface Finish:
Ground and polished
Polished Surface:
Both
Polished Periphery:
Not provided
Material:
Glass, optical, mil-g-174, class 1, grade b
Material:
Glass, optical, mil-g-174, class 1, grade b
NSN:
1240-01-118-9964
Description:
Window,optical Instrument
Cage Code:
18876

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 11/14/2024