6650-00-531-6907

Find complete technical information, availability, and procurement data for: 6650-00-531-6907
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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

6650-00-531-6907

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.

0.216 inches nominal and 0.035 inches nominal axial thickness, 0.361 inches nominal compound lens edge thickness, 0.467 inches nominal compound lens overall axial thickness, 1.790 inches equivalent focal length, 0.634 inches 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: 0.634 inches nominal
Axial Thickness: 0.216 inches nominal and 0.035 inches nominal
Compound Lens Overall Axial Thickness: 0.467 inches nominal
Compound Lens Edge Thickness: 0.361 inches nominal
Equivalent Focal Length: 1.790 inches
Back Focal Length: 1.623 inches
Refraction Index: 1.5110 nominal and 1.6170 nominal
Abbe Constant: 63.500 and 36.600
Compound Lens Style: triplet
Individual Lens Style: double convex and double concave
Element Left Surface Radius: 0.981 inches
Element Right Surface Radius: 0.450 inches
Material: glass optical
Material Document And Classification: jan-g-174, grade c mil spec single material response
Fsc Application Data: telescope

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
5316907	Optical Instrument Lens

FAQs

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

What is the FSCG of the NSN 6650-00-531-6907?

The FSCG of the NSN 6650-00-531-6907 is 6650

Does the NSN 6650-00-531-6907 have a Schedule B code assigned?

Yes, the Schedule B code is 9018500000

Does NSN 6650-00-531-6907 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 6650-00-531-6907 contain precious materials?

Item does not contain precious metal.

Does NSN 6650-00-531-6907 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 6650-00-531-6907 was assigned to the Federal Catalog?

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