1240006828064

Optical element retaining ring

1240006828064 Description

3b thread class, +0.0625/+0.7500 inches thread pitch diameters, right-hand , 0.782 inches thread length, 3.060 inches outside diameter.

Properties of 1240006828064

Thread Class:
3b
Thread Pitch Diameters:
+0.0625/+0.7500 inches
Thread Pitch Diameters:
+0.0625 to 0.7500 inches
Thread Direction:
Right-hand
Thread Length:
0.782 inches
Outside Diameter:
3.060 inches
Thread Size:
2 7/8-16
Aperture Diameter:
2.375 inches
Screw Thread Series Designator:
Un
Thread Location:
Internal
Internal Flange Thickness:
0.685 inches
Knurled Periphery:
Not provided
Material:
Steel, qq-s-764, type 303, cond a-canceled
Material:
Steel comp 303
NSN:
1240-00-682-8064
Description:
Ring,retaining,optical Element
Cage Code:
SCY13

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 05/03/2024