6650-00-816-0505

Find complete technical information, availability, and procurement data for: 6650-00-816-0505
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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

6650-00-816-0505

Item Name Code

21884

Assigment Date

01/01/1962 (64 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.

0.47244 inches nominal axial thickness, 2.28189 inches minimum and 2.28346 inches maximum diameter, 4.188 inches back focal length, 3.877 inches front focal length, 4.188 inches equivalent focal length

Product Characteristics

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

Diameter: 2.28189 inches minimum and 2.28346 inches maximum
Axial Thickness: 0.47244 inches nominal
Equivalent Focal Length: 4.188 inches
Back Focal Length: 4.188 inches
Front Focal Length: 3.877 inches
Refraction Index: 1.5170 nominal
Abbe Constant: 64.500
Single Lens Style: plano-convex
Compound Lens Style: dialyte
Individual Lens Style: plano-convex
Material: glass optical
Material Document And Classification: mil-g-174, class 1, grade c mil spec single material response
Fsc Application Data: 1. fire control computing sights and devices

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
1575536	Optical Instrument Lens

FAQs

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

What is the FSCG of the NSN 6650-00-816-0505?

The FSCG of the NSN 6650-00-816-0505 is 6650

Does the NSN 6650-00-816-0505 have a Schedule B code assigned?

Yes, the Schedule B code is 9018500000

Does NSN 6650-00-816-0505 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 6650-00-816-0505 contain precious materials?

Item does not contain precious metal.

Does NSN 6650-00-816-0505 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 6650-00-816-0505 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962