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Optical Element Retaining Ring

Model / MPN: 12266893 | NSN: 1240-01-071-4954
ITAR Registered seal

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.

Product Details
NATO Stock Number
1240-01-071-4954
Sold in multiples of
1 EA
DEMIL
NO
Thread Class
2b
Thread Pitch Diameters
+1.4660/+1.4730 inches
Thread Direction
Right-hand
Thread Length
0.470 inches
Overall Length
0.500 inches
Outside Diameter
Between 1.845 inches and 1.905 inches
Thread Size
1 1/2-32
Aperture Diameter
Between 1.466 inches and 1.473 inches
Screw Thread Series Designator
Uns
Thread Location
Internal
Internal Flange Thickness
0.017 inches
Knurled Periphery
Not provided
Material
Aluminum alloy, qq-a-200/8, 6061, t6 or aluminum alloy, qq-a-225/3, alloy 2011, t3 or aluminum alloy, qq-a-225/6, alloy 2024, t4 or aluminum alloy, ww-t-700/6, alloy 6061, t6
Material
Aluminum alloy 6061 or aluminum alloy 2011 or aluminum alloy 2024 or aluminum alloy 6061
Material Specification
Qq-a-200/8, 6061, t6 federal specification 1st material response and qq-a-225/3, alloy 2011, t3 federal specification 2nd material response and qq-a-225/6, alloy 2024, t4 federal specification 3rd material response and ww-t-700/6, alloy 6061, t6 federal specification 4th material response
Surface Treatment
Anodize
Surface Treatment
Anodized, mil-a-8625, type 2, class 2

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12266893 Cross Reference
  • 048093
  • 957B048093