10514254

Optical instrument window

10514254 Description

4.184 inches diameter, 0.383 inches thickness, ground surface finish, light deviation 3 minutes , glass, optical, mil-g-174, class 1, grade b, type 517-645 material.

Features

Light deviation 3 minutes

Properties of 10514254

Diameter:
Between 4.184 inches and 4.188 inches
Thickness:
Between 0.383 inches and 0.393 inches
Surface Finish:
Ground and polished
Bevel Depth:
0.039 inches and 0.118 inches
Refraction Index:
1.5170
Polished Surface:
Both
Dispersion:
64.5 angstroms
Reflection Reducing Surface:
Both
Polished Periphery:
Not provided
Bevel Angle In Deg:
45.000 and 45.000
Material:
Glass, optical, mil-g-174, class 1, grade b, type 517-645
Material:
Glass, optical, mil-g-174, class 1, grade b, type 517-645
Fsc Application Data:
Periscope, xm32, optical sighting and ranging equipment
NSN:
1240-00-990-6559
Description:
Window,optical Instrument
Cage Code:
19200

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 05/16/2024