6650-00-503-7657
Find complete technical information, availability, and procurement data for: 6650-00-503-7657
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A cylindrical item specifically designed to hold a lens, reticle, or window in an optical system. Includes eccentric cells and/or rings designed to be rotated within the instrument to shift an optical element to a prescribed position.
0.124 inches nominal and 0.053 inches nominal axial thickness, 2.362 inches equivalent focal length, 0.177 inches nominal compound lens overall axial thickness, 0.561 inches nominal diameter, 0.146 inches nominal compound lens edge thickness
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Diameter
- 0.561 inches nominal
- Axial Thickness
- 0.124 inches nominal and 0.053 inches nominal
- Compound Lens Overall Axial Thickness
- 0.177 inches nominal
- Compound Lens Edge Thickness
- 0.146 inches nominal
- Equivalent Focal Length
- 2.362 inches
- Back Focal Length
- 2.276 inches
- Refraction Index
- 1.5170 nominal and 1.6490 nominal
- Abbe Constant
- 64.500 and 33.700
- Compound Lens Style
- doublet
- Individual Lens Style
- double convex and meniscus diverging
- Element Left Surface Radius
- 1.449 inches
- Element Right Surface Radius
- 0.967 inches
- Material
- glass optical
- Material Document And Classification
- mil-g-174, class 1, grade c mil spec single material response
- Fsc Application Data
- telescope,mi,integrated with fire control equipment
Related Parts
This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:
| Part Number | Name |
|---|---|
| 5037657 | Optical Instrument Lens |
FAQs
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When the NSN 6650-00-503-7657 was assigned to the Federal Catalog?
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