3000042

Optical instrument window

3000042 Description

49.000 millimeters diameter, 5.000 millimeters thickness, glass, optical, jan-g-174, type 517-645, grade c material, glass, optical, jan-g-174, type 517-645, grade c iii material.

Properties of 3000042

Diameter:
49.000 millimeters
Thickness:
5.000 millimeters
Bevel Depth:
3.750 millimeters
Refraction Index:
1.5171
Polished Surface:
Both
Reflection Reducing Surface:
Both
Polished Periphery:
Not provided
Bevel Angle In Deg:
30.000
Material:
Glass, optical, jan-g-174, type 517-645, grade c
Material:
Glass, optical, jan-g-174, type 517-645, grade c
Fsc Application Data:
Telescope mk 77 mod 0
NSN:
1240-00-641-0657
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