11743217

Optical instrument window

11743217 Description

3.998 inches diameter, 0.295 inches thickness, glass, optical, jan-g-174, type 517-645, grade b material, glass, optical, jan-g-174, type 517-645, grade b iii material.

Properties of 11743217

Diameter:
3.998 inches
Thickness:
0.295 inches
Polished Periphery:
Provided
Material:
Glass, optical, jan-g-174, type 517-645, grade b
Material:
Glass, optical, jan-g-174, type 517-645, grade b
NSN:
1240-01-018-9218
Description:
Window,optical Instrument
Cage Code:

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 11/07/2024