6650-00-393-0281

Find complete technical information, availability, and procurement data for: 6650-00-393-0281
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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

6650-00-393-0281

Item Name Code

21884

Assigment Date

04/01/1974 (52 years ago)

0.879 inches minimum and 0.899 inches maximum compound lens overall axial thickness, 11.627 inches or 11.707 inches back focal length, 12.224 inches equivalent focal length, 0.204 inches nominal and 0.685 inches nominal axial thickness, 4.075 inches minimum and 4.078 inches maximum diameter

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Diameter: 4.075 inches minimum and 4.078 inches maximum
Axial Thickness: 0.204 inches nominal and 0.685 inches nominal
Compound Lens Overall Axial Thickness: 0.879 inches minimum and 0.899 inches maximum
Equivalent Focal Length: 12.224 inches
Back Focal Length: 11.627 inches or 11.707 inches
Refraction Index: 1.6130 nominal and 1.6070 nominal
Abbe Constant: 44.300 and 56.700
Compound Lens Style: doublet
Individual Lens Style: double convex and plano-concave
Element Left Surface Radius: 7.353 inches
Element Right Surface Radius: 7.353 inches
Material: glass optical
Material Document And Classification: mil-g-174, grade b mil spec single material response

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
11733406	Optical Instrument Lens

FAQs

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

What is the FSCG of the NSN 6650-00-393-0281?

The FSCG of the NSN 6650-00-393-0281 is 6650

Does the NSN 6650-00-393-0281 have a Schedule B code assigned?

Yes, the Schedule B code is 9018500000

Does NSN 6650-00-393-0281 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 6650-00-393-0281 contain precious materials?

Item does not contain precious metal.

Does NSN 6650-00-393-0281 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 6650-00-393-0281 was assigned to the Federal Catalog?

It was assigned 52 years ago, on Mon, Apr 1, 1974