12266718

Optical instrument window

12266718 Description

2.623 inches diameter, 0.245 inches thickness, ground surface finish, glass, optical, MIL-G-174 material, glass optical iii material.

Properties of 12266718

Diameter:
Between 2.623 inches and 2.625 inches
Thickness:
Between 0.245 inches and 0.255 inches
Surface Finish:
Ground and polished
Polished Periphery:
Provided
Material:
Glass, optical, mil-g-174
Material:
Glass optical
Material Specification:
Mil-g-174 military specification single material response
NSN:
1240-01-068-0743
Description:
Window,optical Instrument
Cage Code:
19207

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 11/12/2024