5613064

Optical element retaining ring

5613064 Description

1.944 inches outside diameter, next assembly: eye guard housing assy nsn 1240-01-497-6275; FC33 adapter assy w/s: periscope. End item identification.

Features

Ring has 11 x .060-80 uni - 2b mount holes

Properties of 5613064

Outside Diameter:
Between 1.944 inches and 1.948 inches
End Application:
Next assembly: eyeguard housing assembly nsn 1240-01-497-6275; fc33 adapter assembly; w/s: periscope.
Drive Type:
Rim
Part Name Assigned By Controlling Agency:
Mid eyeguard housing
Material:
Steel, corrosion resisting
Material:
Stainless steel
Surface Treatment:
Black oxide, mil-c-13924, class 4
NSN:
1240-01-498-4245
Description:
Ring,retaining,optical Element
Cage Code:
53711

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 05/14/2024