6650-00-768-8774
Find complete technical information, availability, and procurement data for: 6650-00-768-8774
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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.
3.859 inches equivalent focal length, 3.759 inches back focal length, 1.297 inches minimum and 1.300 inches maximum diameter, 1.6170 nominal refraction index, 0.200 inches minimum and 0.220 inches maximum axial thickness
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Diameter
- 1.297 inches minimum and 1.300 inches maximum
- Axial Thickness
- 0.200 inches minimum and 0.220 inches maximum
- Equivalent Focal Length
- 3.859 inches
- Back Focal Length
- 3.759 inches
- Refraction Index
- 1.6170 nominal
- Abbe Constant
- 55.000
- Single Lens Style
- double convex
- Element Left Surface Radius
- 3.100 inches
- Element Right Surface Radius
- 10.000 millimeters
- Special Features
- edges chamfered 0.010 to 0.020 in. by 45 deg. both surfaces coated with magnesium fluoride. rim ground.
- Material
- glass optical
- Material Document And Classification
- mil-g-174, class 1, grade d, type 617-550 mil spec single material response
- Fsc Application Data
- periscope,tank
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 |
|---|---|
| 7688774 | Optical Instrument Lens |
FAQs
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Does NSN 6650-00-768-8774 contain precious materials?
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When the NSN 6650-00-768-8774 was assigned to the Federal Catalog?
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