6650-00-382-1837

Find complete technical information, availability, and procurement data for: 6650-00-382-1837
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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

6650-00-382-1837

Item Name Code

21884

Assigment Date

01/01/1963 (63 years ago)

An item having two plane-parallel surfaces and consisting of a polarizing material bonded between glass or plastic. This item transmits light in only one plane and is usually used in pairs to vary the light transmitted into or through an optical instrument. Excludes:window, optical instrument.

0.598 inches nominal and 0.138 inches nominal axial thickness, 2.265 inches equivalent focal length, 1.457 inches nominal diameter, 0.736 inches nominal compound lens overall axial thickness, 0.478 inches nominal compound lens edge thickness

Product Characteristics

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

Diameter: 1.457 inches nominal
Axial Thickness: 0.598 inches nominal and 0.138 inches nominal
Compound Lens Overall Axial Thickness: 0.736 inches nominal
Compound Lens Edge Thickness: 0.478 inches nominal
Equivalent Focal Length: 2.265 inches
Back Focal Length: 1.739 inches
Front Focal Length: 2.324 inches
Refraction Index: 1.5730 nominal and 1.6490 nominal
Abbe Constant: 57.400 and 33.800
Compound Lens Style: doublet
Individual Lens Style: double convex and plano-concave
Element Left Surface Radius: -1.157 inches and 1.157 inches
Element Right Surface Radius: -1.157 inches
Material: glass optical
Material Document And Classification: mil-g-174, class 1, grade c mil spec single material response
Fsc Application Data: fire control,telescope mk 74 mod 1

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
LD172589GP52	Optical Instrument Lens
LD172589PC52	Optical Instrument Lens

FAQs

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

What is the FSCG of the NSN 6650-00-382-1837?

The FSCG of the NSN 6650-00-382-1837 is 6650

Does the NSN 6650-00-382-1837 have a Schedule B code assigned?

Yes, the Schedule B code is 9018500000

Does NSN 6650-00-382-1837 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 6650-00-382-1837 contain precious materials?

Item does not contain precious metal.

Does NSN 6650-00-382-1837 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 6650-00-382-1837 was assigned to the Federal Catalog?

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