265862

View detailed technical data, stock status, and sourcing information for: 265862
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Federal Supply Group

Instruments and Laboratory Equipment

Federal Supply Classification

6650 Components and Accessories Test Equipment Optical Instruments

National Stock Number

6650-00-382-1912

Item Name Code

21884

Assigment Date

01/01/1963 (63 years ago)

An unmounted, transparent, color free lens which may be treated with a low reflection coating to increase light transmission. Includes single and compound elements. For items having two plane parallel surfaces, see window, optical instrument. Excludes:reticle, optical instrument.

7.0 millimeters nominal compound lens overall axial thickness, 4.0 millimeters nominal and 3.0 millimeters nominal axial thickness, 20.0 millimeters nominal diameter, 7.0 millimeters nominal compound lens edge thickness, 198.170 centimeters or 120.870 centimeters equivalent focal length

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Diameter: 20.0 millimeters nominal
Axial Thickness: 4.0 millimeters nominal and 3.0 millimeters nominal
Compound Lens Overall Axial Thickness: 7.0 millimeters nominal
Compound Lens Edge Thickness: 7.0 millimeters nominal
Equivalent Focal Length: 198.170 centimeters or 120.870 centimeters
Back Focal Length: 196.060 centimeters or 120.680 centimeters
Refraction Index: 1.5110 nominal and 1.5838 nominal
Abbe Constant: 63.500 and 46.000
Compound Lens Style: doublet
Individual Lens Style: double convex and plano-concave
Element Left Surface Radius: 771.3 millimeters and -705.7 millimeters
Element Right Surface Radius: 771.3 millimeters and 0.0 millimeters
Material: glass optical
Material Document And Classification: jan-g-174, grade a mil spec single material response

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
265862	Optical Instrument Lens
727236PC1	Optical Instrument Lens
G10100	Optical Instrument Lens
LD172591GP17	Optical Instrument Lens
LD172591PC17	Optical Instrument Lens

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 6650-00-382-1912?

The FSCG of the NSN 6650-00-382-1912 is 6650

Does the NSN 6650-00-382-1912 have a Schedule B code assigned?

Yes, the Schedule B code is 9018500000

Does NSN 6650-00-382-1912 require demilitarization?

"commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"

Does NSN 6650-00-382-1912 contain precious materials?

Item does not contain precious metal.

Does NSN 6650-00-382-1912 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 6650-00-382-1912 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963