7253096

Interference light filter

7253096 Description

AM-7492/SPY-1D (v) DDG91 & up end item identification, filter, light, interference , altered from p/n 7265469-1 .

Features

Altered from p/n 7265469-1

Properties of 7253096

End Application:
Am-7492/spy-1 (v) ddg91 & up
Viewing Surfacelength:
10.600 inches
Viewing Surfacewidth:
4.600 inches
Part Name Assigned By Controlling Agency:
Filter, light, interference
NSN:
1240-01-524-2149
Description:
Filter,light,interference
Cage Code:

Definition Interference Light Filter

A light transmitting item consisting of a transparent, flat glass body having two plane-parallel surfaces, either with only nonabsorbing dielectric coatings or absorbing and nonabsorbing coatings of a thickness nearly equivalent to the wavelength of the transmitted light. Interference begins at the thin bordering surfaces of the coatings, the penetrating light waves being superimposed on the reflected light waves. The item can be installed in various optical insturments, to serve as an eye protecting device.

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Last modified 04/28/2024