6650-00-143-1558

Find complete technical information, availability, and procurement data for: 6650-00-143-1558
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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

6650-00-143-1558

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.

0.912 inches front focal length, 0.511 inches nominal diameter, 0.993 inches equivalent focal length, 0.993 inches back focal length, 0.090 inches nominal 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: 0.511 inches nominal
Axial Thickness: 0.090 inches nominal
Equivalent Focal Length: 0.993 inches
Back Focal Length: 0.993 inches
Front Focal Length: 0.912 inches
Refraction Index: 1.5230 nominal
Abbe Constant: 58.600
Single Lens Style: plano-convex
Individual Lens Style: plano-convex
Material: glass optical
Material Document And Classification: jan-g-174, grade c mil spec single material response
Fsc Application Data: 1. fire control,telescope mk 8,mod 0,3,6

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
116772-6	Optical Instrument Lens

FAQs

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

What is the FSCG of the NSN 6650-00-143-1558?

The FSCG of the NSN 6650-00-143-1558 is 6650

Does the NSN 6650-00-143-1558 have a Schedule B code assigned?

Yes, the Schedule B code is 9018500000

Does NSN 6650-00-143-1558 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 6650-00-143-1558 contain precious materials?

Item does not contain precious metal.

Does NSN 6650-00-143-1558 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 6650-00-143-1558 was assigned to the Federal Catalog?

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