MIL013830

Optical instrument window

MIL013830 Description

42.8626 millimeters diameter, 3.1750 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 MIL013830

Diameter:
42.8626 millimeters
Thickness:
3.1750 millimeters
Refraction Index:
1.5170
Polished Surface:
Both
Polished Periphery:
Not provided
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, 105c, integrated with fire control equipment
NSN:
1240-00-683-9127
Description:
Window,optical Instrument
Cage Code:
81349

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.

Related Parts

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    2.300 inches diameter, 0.125 inches thickness, ground surface finish, glass, optical, mil-g-174, grade d, type 517-645 material

  • 10548610 Cover, Fire Control Instrument

    Radar set group application design, 23.938 inches body length, 17.938 inches body width, eight washers, eight eyelets, four on each side mounting configuration

  • 10548610 Cover, Fire Control Instrument

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  • 10548610 Cover, Fire Control Instrument

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Last modified 11/17/2024