1240-00-819-4713
Find complete technical information, availability, and procurement data for: 1240-00-819-4713
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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.
12.700 millimeters nominal bevel depth, both reflection reducing surface, 833.120 millimeters nominal diameter, 56.900 millimeters nominal thickness, 1.5171 nominal refraction index
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Diameter
- 833.120 millimeters nominal
- Thickness
- 56.900 millimeters nominal
- Bevel Depth
- 12.700 millimeters nominal
- Refraction Index
- 1.5171 nominal
- Reflection Reducing Surface
- both
- Polished Periphery
- not provided
- Bevel Angle In Deg
- 45.000 nominal
- Material
- glass optical location not otherwise specified
- Material Document And Classification
- jan-g-174, grade a mil spec single material response location not otherwise specified
- Fsc Application Data
- fire control rangefinder mk 21 mod 2
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 |
|---|---|
| 1575529 | Optical Instrument Window |
FAQs
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What is the FSCG of the NSN 1240-00-819-4713?
Does the NSN 1240-00-819-4713 have a Schedule B code assigned?
Does NSN 1240-00-819-4713 require demilitarization?
Does NSN 1240-00-819-4713 contain precious materials?
Does NSN 1240-00-819-4713 contain hazardous materials?
When the NSN 1240-00-819-4713 was assigned to the Federal Catalog?
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