7688717

Optical element retaining ring

7688717 Description

2a thread class, right-hand , 0.296 inches thread length, 0.399 inches overall length, 1.310 inches outside diameter, 1.203 in.-48 thread size.

Features

Chamfer 0.020 in. By 45 degrees on id of flange end. One slot 0.062 in. Wide, 0.060 in. Deep by 45 degrees on face of flange end.

Properties of 7688717

Thread Class:
2a
Thread Direction:
Right-hand
Groove Diameter:
Between 1.207 inches and 1.217 inches
Thread Length:
0.296 inches
Overall Length:
0.399 inches
Outside Diameter:
Between 1.310 inches and 1.315 inches
Thread Size:
1.203 in.-48
Aperture Diameter:
Between 0.947 inches and 0.950 inches
Inner Groove Width:
Between 0.056 inches and 0.070 inches
Screw Thread Series Designator:
Uns
Mounting Configuration:
Internal thread
Thread Location:
Internal
Internal Flange Thickness:
Between 0.036 inches and 0.044 inches
Groove Location:
Adjacent to internal flange
Knurled Periphery:
Not provided
Material:
Aluminum alloy, qq-a-225/3, alloy 2011, t3
Material:
Aluminum alloy, qq-a-225/3, alloy 2011, t3
Surface Treatment:
Anodized, mil-a-8625, type 1, class 2, black
Surface Treatment:
Anodized, mil-a-8625, type 1, class 2, black
Fsc Application Data:
Periscope, tank
NSN:
1240-00-768-8717
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 09/28/2024