8289272

Optical element retaining ring

8289272 Description

3a thread class, +2.0219/+2.0273 inches thread pitch diameters, right-hand , 0.494 inches thread length, 1.082 inches overall length.

Properties of 8289272

Thread Class:
3a
Thread Pitch Diameters:
+2.0219/+2.0273 inches
Thread Pitch Diameters:
+2.0219 to 2.0273 inches
Thread Direction:
Right-hand
Groove Diameter:
2.078 inches
Thread Length:
0.494 inches
Overall Length:
1.082 inches
Outside Diameter:
Between 2.359 inches and 2.391 inches
Thread Size:
2.063-16
Aperture Diameter:
Between 1.718 inches and 1.723 inches
Inner Groove Width:
Between 0.176 inches and 0.186 inches
Screw Thread Series Designator:
Uns
Mounting Configuration:
Lockscrew collar 1
Thread Location:
Internal
Internal Flange Thickness:
0.092 inches
Groove Location:
Adjacent to internal flange
Knurled Periphery:
Provided
Material:
Aluminum alloy, ww-t-700/3, alloy 2024, t3 and aluminum alloy, ww-t-700/6, alloy 6061, t6
Material:
Aluminum alloy 2024 and aluminum alloy 6061
Material Specification:
Ww-t-700/3, alloy 2024, t3 federal specification 1st material response and ww-t-700/6, alloy 6061, t6 federal specification 2nd material response
Surface Treatment:
Enamel
Surface Treatment:
Enamel, black
NSN:
1240-00-115-4471
Description:
Ring,retaining,optical Element
Cage Code:
19200

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 11/05/2024