265200

Optical element retaining ring

265200 Description

2b thread class, right-hand , 0.171 inches thread length, 0.297 inches overall length, 2.562 inches outside diameter, 2.437-32 thread size.

Properties of 265200

Thread Class:
2b
Thread Direction:
Right-hand
Groove Diameter:
2.218 inches
Thread Length:
0.171 inches
Overall Length:
0.297 inches
Outside Diameter:
2.562 inches
Thread Size:
2.437-32
Aperture Diameter:
2.125 inches
Inner Groove Width:
0.0930 inches
End Application:
Gun sight mk29
Screw Thread Series Designator:
Uns
Thread Location:
Internal
Internal Flange Thickness:
0.064 inches
Groove Location:
Inside face of flange
Knurled Periphery:
Not provided
Material:
Brass, ww-t-791, grade 2, type a
Material:
Copper alloy 330
Surface Treatment:
Any acceptable
NSN:
1240-00-177-0659
Description:
Ring,retaining,optical Element
Cage Code:
56232

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 05/01/2024