8270610

View detailed technical data, stock status, and sourcing information for: 8270610
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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

6650-00-692-1531

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.

0.189 inches nominal axial thickness, 3.776 inches equivalent focal length, 1.063 inches nominal diameter, 3.731 inches back focal length, 1.5800 nominal refraction index

Product Characteristics

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

Diameter: 1.063 inches nominal
Axial Thickness: 0.189 inches nominal
Equivalent Focal Length: 3.776 inches
Back Focal Length: 3.731 inches
Refraction Index: 1.5800 nominal
Abbe Constant: 41.000
Single Lens Style: double convex
Individual Lens Style: double convex
Element Left Surface Radius: 5.870 inches
Element Right Surface Radius: 3.445 inches
Material: glass optical
Material Document And Classification: mil-g-174, class 1, grade c mil spec single material response
Fsc Application Data: sight periscope m28,integrated with fire control 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
1240006921531	Optical Instrument Lens
8270610	Optical Instrument Lens

FAQs

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

What is the FSCG of the NSN 6650-00-692-1531?

The FSCG of the NSN 6650-00-692-1531 is 6650

Does the NSN 6650-00-692-1531 have a Schedule B code assigned?

Yes, the Schedule B code is 9018500000

Does NSN 6650-00-692-1531 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 6650-00-692-1531 contain precious materials?

Precious metal content is unknown

Does NSN 6650-00-692-1531 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 6650-00-692-1531 was assigned to the Federal Catalog?

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