6650-00-618-9397

Find complete technical information, availability, and procurement data for: 6650-00-618-9397
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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

6650-00-618-9397

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.

0.551 inches nominal compound lens overall axial thickness, 0.436 inches nominal compound lens edge thickness, 0.394 inches nominal and 0.157 inches nominal axial thickness, 1.219 inches minimum and 1.220 inches maximum diameter, 2.765 inches 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: 1.219 inches minimum and 1.220 inches maximum
Axial Thickness: 0.394 inches nominal and 0.157 inches nominal
Compound Lens Overall Axial Thickness: 0.551 inches nominal
Compound Lens Edge Thickness: 0.436 inches nominal
Equivalent Focal Length: 2.765 inches
Back Focal Length: 2.841 inches
Front Focal Length: 2.359 inches
Refraction Index: 1.6110 nominal and 1.6208 nominal
Abbe Constant: 58.800 and 36.200
Compound Lens Style: doublet
Individual Lens Style: double convex and double concave
Material: glass optical
Material Document And Classification: mil-g-174, class 1, grade c mil spec single material response
Fsc Application Data: range finder,fire control

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
1073972PC1	Optical Instrument Lens

FAQs

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

What is the FSCG of the NSN 6650-00-618-9397?

The FSCG of the NSN 6650-00-618-9397 is 6650

Does the NSN 6650-00-618-9397 have a Schedule B code assigned?

Yes, the Schedule B code is 9018500000

Does NSN 6650-00-618-9397 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 6650-00-618-9397 contain precious materials?

Item does not contain precious metal.

Does NSN 6650-00-618-9397 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 6650-00-618-9397 was assigned to the Federal Catalog?

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