11575891

Optical element retaining ring

11575891 Description

0.250 inches overall length, 0.380 inches outside diameter, 0.201 inches aperture diameter, steel material, steel material, passivate surface treated.

Properties of 11575891

Overall Length:
0.250 inches
Outside Diameter:
0.380 inches
Aperture Diameter:
0.201 inches
Internal Flange Thickness:
0.020 inches
Knurled Periphery:
Not provided
Material:
Steel
Material:
Steel
Surface Treatment:
Passivated
NSN:
1240-01-081-0924
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 11/08/2024