6650-00-210-4388

Find complete technical information, availability, and procurement data for: 6650-00-210-4388
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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

6650-00-210-4388

Item Name Code

21884

Assigment Date

01/01/1963 (63 years ago)

4.034 inches equivalent focal length, 2.046 inches minimum and 2.047 inches maximum diameter, 0.512 inches nominal and 0.118 inches nominal axial thickness, 0.263 inches nominal compound lens edge thickness, 0.630 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: 2.046 inches minimum and 2.047 inches maximum
Axial Thickness: 0.512 inches nominal and 0.118 inches nominal
Compound Lens Overall Axial Thickness: 0.630 inches nominal
Compound Lens Edge Thickness: 0.263 inches nominal
Equivalent Focal Length: 4.034 inches
Back Focal Length: 3.920 inches
Front Focal Length: 3.752 inches
Refraction Index: 1.6111 nominal and 1.7200 nominal
Abbe Constant: 58.800 and 29.300
Compound Lens Style: doublet
Individual Lens Style: double convex and meniscus diverging
Element Left Surface Radius: -2.047 inches and 3.226 inches
Element Right Surface Radius: -2.047 inches and -6.169 inches
Material: glass optical
Material Document And Classification: mil-g-174, class 1, grade b mil spec single material response
Fsc Application Data: optical sighting and ranging equipment

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
1049121	Optical Instrument Lens
MIL1802	Optical Instrument Lens

FAQs

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

What is the FSCG of the NSN 6650-00-210-4388?

The FSCG of the NSN 6650-00-210-4388 is 6650

Does the NSN 6650-00-210-4388 have a Schedule B code assigned?

Yes, the Schedule B code is 9018500000

Does NSN 6650-00-210-4388 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 6650-00-210-4388 contain precious materials?

Item does not contain precious metal.

Does NSN 6650-00-210-4388 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 6650-00-210-4388 was assigned to the Federal Catalog?

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