685622PC1-2

View detailed technical data, stock status, and sourcing information for: 685622PC1-2
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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

6650-00-382-1881

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.

0.591 inches nominal compound lens overall axial thickness, 0.331 inches nominal compound lens edge thickness, 3.111 inches equivalent focal length, 1.535 inches nominal diameter, 0.472 inches nominal and 0.118 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: 1.535 inches nominal
Axial Thickness: 0.472 inches nominal and 0.118 inches nominal
Compound Lens Overall Axial Thickness: 0.591 inches nominal
Compound Lens Edge Thickness: 0.331 inches nominal
Equivalent Focal Length: 3.111 inches
Back Focal Length: 2.700 inches
Front Focal Length: 3.156 inches
Refraction Index: 1.5725 nominal and 1.6439 nominal
Abbe Constant: 57.500 and 33.800
Compound Lens Style: doublet
Individual Lens Style: double convex and plano-concave
Element Left Surface Radius: -1.614 inches and 1.575 inches
Element Right Surface Radius: -1.614 inches
Material: glass optical
Material Document And Classification: mil-g-174, class 1, grade c mil spec single material response
Fsc Application Data: 1. 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
685622PC1-2	Optical Instrument Lens
LD172589GP105REVD	Optical Instrument Lens
LD172589GP44REVD	Optical Instrument Lens
LD172589SHT11GP105	Optical Instrument Lens

FAQs

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

What is the FSCG of the NSN 6650-00-382-1881?

The FSCG of the NSN 6650-00-382-1881 is 6650

Does the NSN 6650-00-382-1881 have a Schedule B code assigned?

Yes, the Schedule B code is 9018500000

Does NSN 6650-00-382-1881 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 6650-00-382-1881 contain precious materials?

Item does not contain precious metal.

Does NSN 6650-00-382-1881 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 6650-00-382-1881 was assigned to the Federal Catalog?

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