6650-00-131-0674

Find complete technical information, availability, and procurement data for: 6650-00-131-0674
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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

6650-00-131-0674

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.

4.0 millimeters nominal compound lens edge thickness, 3.0 millimeters nominal and 1.2 millimeters nominal axial thickness, 4.2 millimeters nominal compound lens overall axial thickness, rangefinder mk45 end item identification, 20.0 millimeters nominal diameter

Product Characteristics

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

Diameter: 20.0 millimeters nominal
End Item Identification: rangefinder mk45
Axial Thickness: 3.0 millimeters nominal and 1.2 millimeters nominal
Compound Lens Overall Axial Thickness: 4.2 millimeters nominal
Compound Lens Edge Thickness: 4.0 millimeters nominal
Equivalent Focal Length: 41.718 centimeters
Refraction Index: 1.5125 nominal and 1.6170 nominal
Abbe Constant: 60.500 and 36.600
Compound Lens Style: dialyte
Individual Lens Style: double convex and double concave
Element Left Surface Radius: 153.7 millimeters and -175.9 millimeters
Element Right Surface Radius: 179.3 millimeters and -2090.2 millimeters
Material: glass

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
176446PC4	Optical Instrument Lens

FAQs

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

What is the FSCG of the NSN 6650-00-131-0674?

The FSCG of the NSN 6650-00-131-0674 is 6650

Does the NSN 6650-00-131-0674 have a Schedule B code assigned?

Yes, the Schedule B code is 9018500000

Does NSN 6650-00-131-0674 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 6650-00-131-0674 contain precious materials?

Item does not contain precious metal.

Does NSN 6650-00-131-0674 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 6650-00-131-0674 was assigned to the Federal Catalog?

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