42473-1

Optical element retaining ring

42473-1 Description

2A thread class, +3.7235/+3.7283 inches thread pitch diameters, right-hand , 0.125 inches thread length, 3.740 inches outside diameter.

Properties of 42473-1

Thread Class:
2a
Thread Pitch Diameters:
+3.7235/+3.7283 inches
Thread Direction:
Right-hand
Thread Length:
0.125 inches
Outside Diameter:
Between 3.740 inches and 3.760 inches
Thread Size:
3/8-32
Aperture Diameter:
Between 3.383 inches and 3.393 inches
Screw Thread Series Designator:
Uns
Mounting Configuration:
0.081 in.Dia.12 holes equally spaced
Thread Location:
External
Internal Flange Thickness:
0.362 inches
Knurled Periphery:
Not provided
Material:
Aluminum alloy 7075-t651 qq-a-250/12
Material:
Aluminum alloy 7075-t651 qq-a-250/12
Surface Treatment:
Anodized, mil-a-8625, type 2, class 2
NSN:
1240-01-077-2885
Description:
Ring,retaining,optical Element
Cage Code:
09344

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 05/12/2024