247859-3

Optical instrument window

247859-3 Description

247.620 millimeters width, 9.525 millimeters thickness, 361.921 millimeters length, polished surface finish, glass, mil-g-16592, grade a material.

Properties of 247859-3

Width:
Between 247.620 millimeters and 247.680 millimeters
Thickness:
Between 9.525 millimeters and 9.545 millimeters
Length:
Between 361.921 millimeters and 361.981 millimeters
Surface Finish:
Polished
Polished Surface:
Both
Reflection Reducing Surface:
One
Polished Periphery:
Not provided
Material:
Glass, mil-g-16592, grade a
Material:
Glass, mil-g-16592, grade a
Fsc Application Data:
Telescope, straight
NSN:
1240-00-527-7084
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