175931PC1

Optical element retaining ring

175931PC1 Description

0.160 inches overall length, 1.245 inches outside diameter, 0.745 inches aperture diameter, brass material, copper alloy material.

Properties of 175931PC1

Overall Length:
Between 0.160 inches and 0.170 inches
Outside Diameter:
Between 1.245 inches and 1.255 inches
Aperture Diameter:
Between 0.745 inches and 0.755 inches
Internal Flange Thickness:
Between 0.035 inches and 0.045 inches
Knurled Periphery:
Not provided
Material:
Brass
Material:
Copper alloy
NSN:
1240-00-131-6994
Description:
Ring,retaining,optical Element
Cage Code:
06175

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 05/01/2024