5185193

View detailed technical data, stock status, and sourcing information for: 5185193
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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

6650-00-518-5193

Item Name Code

21884

Assigment Date

01/01/1963 (63 years ago)

A transparent item with at least two polished plane surfaces inclined toward each other, designed for use in optical instruments to reflect and/or refract a beam of light. It may have one or more mirrored surfaces for greater reflection. Includes optical wedges used to divert paths of light by refraction, but to a lesser degree. See also beam splitter, optical instrument.

0.225 inches nominal compound lens edge thickness, 5.012 inches back focal length, 0.220 inches nominal and 0.118 inches nominal axial thickness, 1.259 inches nominal diameter, 5.191 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: 1.259 inches nominal
Axial Thickness: 0.220 inches nominal and 0.118 inches nominal
Compound Lens Edge Thickness: 0.225 inches nominal
Equivalent Focal Length: 5.191 inches
Back Focal Length: 5.012 inches
Refraction Index: 1.5411 nominal and 1.6210 nominal
Abbe Constant: 59.900 and 36.200
Compound Lens Style: doublet
Individual Lens Style: double convex and meniscus converging
Element Left Surface Radius: 3.130 inches
Element Right Surface Radius: 2.047 inches
Material: glass optical
Material Document And Classification: jan-g-174, grade c mil spec single material response
Fsc Application Data: binocular,fire control

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
1240005185193	Optical Instrument Lens
5185193	Optical Instrument Lens
6650005185193	Optical Instrument Lens

FAQs

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

What is the FSCG of the NSN 6650-00-518-5193?

The FSCG of the NSN 6650-00-518-5193 is 6650

Does the NSN 6650-00-518-5193 have a Schedule B code assigned?

Yes, the Schedule B code is 9018500000

Does NSN 6650-00-518-5193 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 6650-00-518-5193 contain precious materials?

Precious metal content is unknown

Does NSN 6650-00-518-5193 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 6650-00-518-5193 was assigned to the Federal Catalog?

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