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Optical Element Retaining Ring

Model / MPN: 10558952 | NSN: 1240-00-328-5606
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
1240-00-328-5606
Sold in multiples of
1 EA
DEMIL
NO
Groove Diameter
3.130 inches
Outside Diameter
3.250 inches
Aperture Diameter
2.900 inches
Inner Groove Width
0.140 inches
Mounting Configuration
3 threaded holes equally spaced 120 degrees apart around outside dia; 0.138-32unc-2b
Internal Flange Thickness
0.310 inches
Groove Location
Adjacent to internal flange
Knurled Periphery
Not provided
Material
Aluminum alloy, ww-t-700/3, t3 or aluminum alloy, ww-t-700/6, t6 or aluminum alloy, qq-a-200/3, t4 or aluminum alloy, qq-a-200/8, 6061, t6 or aluminum alloy, qq-a-225/6, t4 or aluminum alloy, qq-a-225/8, alloy 6061, t6 or aluminum alloy, qq-a-250/4, t4 or aluminum alloy, qq-a-250/11, t6
Material
Aluminum alloy 2024 or aluminum alloy 6061 or aluminum alloy 2024 or aluminum alloy 6061 or aluminum alloy 2024 or aluminum alloy 6061 or aluminum alloy 2024 or aluminum alloy 6061
Material Specification
Ww-t-700/3, t3 federal specification 1st material response and ww-t-700/6, t6 federal specification 2nd material response and qq-a-200/3, t4 federal specification 3rd material response and qq-a-200/8, 6061, t6 federal specification 4th material response and qq-a-225/6, t4 federal specification 5th material response and qq-a-225/8, alloy 6061, t6 federal specification 6th material response and qq-a-250/4, t4 federal specification 7th material response and qq-a-250/11, t6 federal specification 8th material response
Surface Treatment
Dull black
Fsc Application Data
Collimator
10558 Series Parts

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10558952 Cross Reference