6650-00-073-8841

Find complete technical information, availability, and procurement data for: 6650-00-073-8841
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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

6650-00-073-8841

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.

5.312 inches back focal length, 0.349 inches minimum and 0.369 inches maximum and 0.092 inches minimum and 0.112 inches maximum axial thickness, 5.569 inches equivalent focal length, 1.237 inches minimum and 1.243 inches maximum diameter, 0.441 inches minimum and 0.481 inches maximum 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: 1.237 inches minimum and 1.243 inches maximum
Axial Thickness: 0.349 inches minimum and 0.369 inches maximum and 0.092 inches minimum and 0.112 inches maximum
Compound Lens Overall Axial Thickness: 0.441 inches minimum and 0.481 inches maximum
Equivalent Focal Length: 5.569 inches
Back Focal Length: 5.312 inches
Refraction Index: 1.5170 nominal and 1.6490 nominal
Abbe Constant: 64.500 and 33.800
Compound Lens Style: doublet
Individual Lens Style: double convex and meniscus diverging
Element Left Surface Radius: 3.127 inches
Element Right Surface Radius: 2.410 inches
Material: glass optical
Material Document And Classification: mil-g-174,class 1,grade c,type 517-645 mil spec 1st material response and mil-g-174,class 1,grade c,type 649-338 mil spec 2nd material response
Fsc Application Data: telescope panoramic m113

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
8626210	Optical Instrument Lens

FAQs

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

What is the FSCG of the NSN 6650-00-073-8841?

The FSCG of the NSN 6650-00-073-8841 is 6650

Does the NSN 6650-00-073-8841 have a Schedule B code assigned?

Yes, the Schedule B code is 9018500000

Does NSN 6650-00-073-8841 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 6650-00-073-8841 contain precious materials?

Item does not contain precious metal.

Does NSN 6650-00-073-8841 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 6650-00-073-8841 was assigned to the Federal Catalog?

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