5612977

Optical instrument window

5612977 Description

34.0 millimeters diameter, 14.9 millimeters thickness, FC33 electrical end item identification, eyepiece, EL-3, doublet , two lens pieces bonded together. Convex radii are 30.5 mm .

Features

Two lens pieces bonded together. Convex radii are 30.5 mm and 38.0 mm max.

Properties of 5612977

Diameter:
34.0 millimeters
Thickness:
Between 14.9 millimeters and 15.1 millimeters
End Application:
Fc33 electrical and electronics adapter assembly pn 5612561; periscope.
Polished Periphery:
Not provided
Part Name Assigned By Controlling Agency:
Eyepiece, el-3, doublet
Material:
Glass, optical and magnesium fluoride
Material:
Glass optical and magnesium fluoride
NSN:
1240-01-497-4402
Description:
Window,optical Instrument
Cage Code:

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 11/14/2024