31150-542

Optical element retaining ring

31150-542 Description

1.127 inches outside diameter, 1.000 inches aperture diameter, one unthreaded countersunk hole 0.100 in. Dia , brass material, copper alloy material.

Features

One unthreaded countersunk hole 0.100 in. Dia

Properties of 31150-542

Outside Diameter:
1.127 inches
Aperture Diameter:
1.000 inches
Internal Flange Thickness:
0.127 inches
Knurled Periphery:
Not provided
Material:
Brass
Material:
Copper alloy
Surface Treatment:
Enamel, black
NSN:
1240-00-676-4608
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 11/14/2024