212550PC1

Optical element retaining ring

212550PC1 Description

4.125 inches outside diameter, 2.813 inches aperture diameter, aluminum alloy material, aluminum alloy material.

Properties of 212550PC1

Outside Diameter:
4.125 inches
Aperture Diameter:
2.813 inches
Internal Flange Thickness:
0.093 inches
Knurled Periphery:
Not provided
Material:
Aluminum alloy
Material:
Aluminum alloy
NSN:
1240-00-159-4486
Description:
Ring,retaining,optical Element
Cage Code:

Definition Optical Element Retaining Ring

A cylindrical item having an internally flanged diameter designed to retain a lens or window in the objective end, or a diopter scale at the viewing end of an optical instrument. It may have one or more of the following characteristics: internal thread or machined for a press fit, method of securing, and/or knurled periphery. For externally threaded items, see retainer, optical element. Excludes cell, optical element; nut, plain knurled; nut, plain round; and ring, retaining.

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Last modified 11/14/2024