6650-00-903-6670

Find complete technical information, availability, and procurement data for: 6650-00-903-6670
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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

6650-00-903-6670

Item Name Code

21884

Assigment Date

01/01/1960 (66 years ago)

2.370 inches nominal diameter, 0.122 inches nominal and 0.750 inches nominal axial thickness, 0.687 inches nominal compound lens edge thickness, 10.812 inches equivalent focal length, 0.872 inches nominal compound lens overall 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: 2.370 inches nominal
Axial Thickness: 0.122 inches nominal and 0.750 inches nominal
Compound Lens Overall Axial Thickness: 0.872 inches nominal
Compound Lens Edge Thickness: 0.687 inches nominal
Equivalent Focal Length: 10.812 inches
Back Focal Length: 10.198 inches
Front Focal Length: 9.326 inches
Refraction Index: 1.7200 nominal and 1.6200 nominal
Abbe Constant: 29.300 and 60.300
Compound Lens Style: doublet
Individual Lens Style: double concave and double convex
Element Left Surface Radius: -4.701 inches and 2.370 inches
Element Right Surface Radius: -2.370 inches and 2.370 inches
Material: glass optical
Material Document And Classification: mil-g-174, class 1, grade c mil spec single material response
Fsc Application Data: periscope,xm44

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
8216005	Optical Instrument Lens

FAQs

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

What is the FSCG of the NSN 6650-00-903-6670?

The FSCG of the NSN 6650-00-903-6670 is 6650

Does the NSN 6650-00-903-6670 have a Schedule B code assigned?

Yes, the Schedule B code is 9018500000

Does NSN 6650-00-903-6670 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 6650-00-903-6670 contain precious materials?

Item does not contain precious metal.

Does NSN 6650-00-903-6670 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 6650-00-903-6670 was assigned to the Federal Catalog?

It was assigned 66 years ago, on Fri, Jan 1, 1960