8626291

Optical instrument window

8626291 Description

1.670 inches width, 0.150 inches thickness, 1.920 inches length, rounded corners with a 0.500 in. Radius. Beveled edges on back surface 0.030 in. By 45 deg. .

Features

Rounded corners with a 0.500 in. Radius. Beveled edges on back surface 0.030 in. By 45 deg.

Properties of 8626291

Width:
Between 1.670 inches and 1.680 inches
Thickness:
Between 0.150 inches and 0.160 inches
Length:
Between 1.920 inches and 1.930 inches
Bevel Depth:
0.076 inches
Polished Surface:
Both
Reflection Reducing Surface:
Both
Polished Periphery:
Not provided
Bevel Angle In Deg:
45.000
Material:
Glass, dd-g-451, type 1, quality q1
Material:
Glass, dd-g-451, type 1, quality q1
Fsc Application Data:
Telescope, panoramic
NSN:
1240-00-069-9363
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 11/17/2024