7688772

Optical element retaining ring

7688772 Description

2a thread class, right-hand , 0.187 inches thread length, 0.300 inches overall length, 1.525 inches outside diameter, 1.430 in.-48 thread size.

Features

Chamfer0.019 in by 30 degrees on id qf flange end. One slot 0.063 in wide, 0.070 in deep by 45 degrees on face of flange end

Properties of 7688772

Thread Class:
2a
Thread Direction:
Right-hand
Groove Diameter:
Between 1.435 inches and 1.445 inches
Thread Length:
0.187 inches
Overall Length:
0.300 inches
Outside Diameter:
Between 1.525 inches and 1.535 inches
Thread Size:
1.430 in.-48
Aperture Diameter:
Between 1.197 inches and 1.203 inches
Inner Groove Width:
Between 0.053 inches and 0.073 inches
Screw Thread Series Designator:
Uns
Mounting Configuration:
Internal thread
Thread Location:
Internal
Internal Flange Thickness:
Between 0.045 inches and 0.055 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:
1240-00-768-8772
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 05/15/2024