1240-00-171-7901
Find complete technical information, availability, and procurement data for: 1240-00-171-7901
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A color free item of transparent or translucent material, usually optical glass, having specific light dispersive and refractive properties. This item must have two plane-parallel surfaces and is designed for use in an optical instrument to provide a barrier to foreign matter and/or permit light transmission in or to the optical system.
64.5 angstroms nominal dispersion, 60.000 millimeters nominal diameter, 1.5170 nominal refraction index, both polished surface, 7.000 millimeters nominal thickness
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Diameter
- 60.000 millimeters nominal
- Thickness
- 7.000 millimeters nominal
- Refraction Index
- 1.5170 nominal
- Polished Surface
- both
- Dispersion
- 64.5 angstroms nominal
- Reflection Reducing Surface
- both
- Polished Periphery
- not provided
- Material
- glass optical location not otherwise specified
- Material Document And Classification
- jan-g-174, type 517-645, grade c mil spec single material response location not otherwise specified
- Fsc Application Data
- rangefinder mk 51 mods 0-3
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 |
|---|---|
| 279445PC9 | Optical Instrument Window |
FAQs
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Does NSN 1240-00-171-7901 require demilitarization?
Does NSN 1240-00-171-7901 contain precious materials?
Does NSN 1240-00-171-7901 contain hazardous materials?
When the NSN 1240-00-171-7901 was assigned to the Federal Catalog?
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