6695-581

Optical element retaining ring

6695-581 Description

5.450 inches outside diameter, 2.400 inches aperture diameter, alum invest mt castg, alloy 356-T6 or solid alum alloy 2024-T3/6061-T6 material.

Properties of 6695-581

Outside Diameter:
5.450 inches
Aperture Diameter:
2.400 inches
Internal Flange Thickness:
0.600 inches
Knurled Periphery:
Not provided
Material:
Alum investmt castg, alloy 356-t6 or solid alum alloy 2024-t3/6061-t6
Material:
Alum investmt castg, alloy 356-t6 or solid alum alloy 2024-t3/6061-t6
Surface Treatment:
Anodize
Surface Treatment:
Anodized, mil-a-8625, type 2, class 2
NSN:
1240-01-072-6395
Description:
Ring,retaining,optical Element
Cage Code:
80294

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