6650005079255

View detailed technical data, stock status, and sourcing information for: 6650005079255
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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

6650-00-507-9255

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.

11.682 inches equivalent focal length, 0.204 inches nominal and 0.143 inches nominal axial thickness, 0.347 inches nominal compound lens overall axial thickness, 1.500 inches nominal diameter, 0.289 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: 1.500 inches nominal
Axial Thickness: 0.204 inches nominal and 0.143 inches nominal
Compound Lens Overall Axial Thickness: 0.347 inches nominal
Compound Lens Edge Thickness: 0.289 inches nominal
Equivalent Focal Length: 11.682 inches
Back Focal Length: 11.660 inches
Refraction Index: 1.5230 nominal and 1.6210 nominal
Abbe Constant: 58.600 and 36.200
Compound Lens Style: doublet
Individual Lens Style: double convex and meniscus diverging
Element Left Surface Radius: -2.649 inches and 22.769 inches
Element Right Surface Radius: -2.649 inches and 6.235 inches
Material: glass optical
Material Document And Classification: mil-g-174, class 1, grade b mil spec single material response
Fsc Application Data: finder,range,t42e1,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
6650005079255	Optical Instrument Lens

FAQs

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

What is the FSCG of the NSN 6650-00-507-9255?

The FSCG of the NSN 6650-00-507-9255 is 6650

Does the NSN 6650-00-507-9255 have a Schedule B code assigned?

Yes, the Schedule B code is 9018500000

Does NSN 6650-00-507-9255 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 6650-00-507-9255 contain precious materials?

Item does not contain precious metal.

Does NSN 6650-00-507-9255 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 6650-00-507-9255 was assigned to the Federal Catalog?

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