3183247

Optical element retaining ring

3183247 Description

3B thread class, +0.8724/+0.9062 inches thread pitch diameters, right-hand , 0.400 inches thread length, 1.125 inches outside diameter.

Properties of 3183247

Thread Class:
3b
Thread Pitch Diameters:
+0.8724/+0.9062 inches
Thread Direction:
Right-hand
Thread Length:
0.400 inches
Outside Diameter:
1.125 inches
Thread Size:
0.906-32
Aperture Diameter:
0.906 inches
Screw Thread Series Designator:
Uns
Thread Location:
Internal
Internal Flange Thickness:
0.020 inches
Knurled Periphery:
Not provided
Material:
Brass
Material:
Copper alloy
Surface Treatment:
Black oxide, mil-f-495
NSN:
1240-01-268-4714
Description:
Ring,retaining,optical Element
Cage Code:
10001

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 05/15/2024