6650-00-618-9398

Find complete technical information, availability, and procurement data for: 6650-00-618-9398
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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

6650-00-618-9398

Item Name Code

21884

Assigment Date

01/01/1963 (63 years ago)

0.395 inches nominal compound lens edge thickness, 1.298 inches minimum and 1.299 inches maximum diameter, 0.417 inches nominal and 0.091 inches nominal axial thickness, 8.476 inches equivalent focal length, 0.508 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: 1.298 inches minimum and 1.299 inches maximum
Axial Thickness: 0.417 inches nominal and 0.091 inches nominal
Compound Lens Overall Axial Thickness: 0.508 inches nominal
Compound Lens Edge Thickness: 0.395 inches nominal
Equivalent Focal Length: 8.476 inches
Back Focal Length: 7.580 inches
Front Focal Length: 9.109 inches
Refraction Index: 1.5171 nominal and 1.7200 nominal
Abbe Constant: 64.500 and 29.300
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
1073970PC1	Optical Instrument Lens

FAQs

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

What is the FSCG of the NSN 6650-00-618-9398?

The FSCG of the NSN 6650-00-618-9398 is 6650

Does the NSN 6650-00-618-9398 have a Schedule B code assigned?

Yes, the Schedule B code is 9018500000

Does NSN 6650-00-618-9398 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 6650-00-618-9398 contain precious materials?

Item does not contain precious metal.

Does NSN 6650-00-618-9398 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 6650-00-618-9398 was assigned to the Federal Catalog?

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