6650-00-768-8773

Find complete technical information, availability, and procurement data for: 6650-00-768-8773
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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

6650-00-768-8773

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.

1.6170 nominal refraction index, 1.578 inches equivalent focal length, 1.297 inches minimum and 1.300 inches maximum diameter, 0.590 inches minimum and 0.610 inches maximum axial thickness, 1.286 inches back 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: 1.297 inches minimum and 1.300 inches maximum
Axial Thickness: 0.590 inches minimum and 0.610 inches maximum
Equivalent Focal Length: 1.578 inches
Back Focal Length: 1.286 inches
Refraction Index: 1.6170 nominal
Abbe Constant: 55.000
Single Lens Style: double convex
Element Left Surface Radius: 1.236 inches
Element Right Surface Radius: 3.740 inches
Special Features: edges chamfered 0.010 to 0.020 in. by 45 deg. both surfaces coated with magnesium fluoride. rim ground.
Material: glass optical
Material Document And Classification: mil-g-174, class 1, grade d, type 617-550 mil spec single material response
Fsc Application Data: periscope,tank

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Part Number	Name
7688773	Optical Instrument Lens

FAQs

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

What is the FSCG of the NSN 6650-00-768-8773?

The FSCG of the NSN 6650-00-768-8773 is 6650

Does the NSN 6650-00-768-8773 have a Schedule B code assigned?

Yes, the Schedule B code is 9018500000

Does NSN 6650-00-768-8773 require demilitarization?

Usml or ccl military items - demil required. Destroy item and components to prevent restoration or repair to a usable condition. (note 5).

Does NSN 6650-00-768-8773 contain precious materials?

Item does not contain precious metal.

Does NSN 6650-00-768-8773 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 6650-00-768-8773 was assigned to the Federal Catalog?

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

Professional Distribution

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AS9120 Quality Standards
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6650-00-768-8773

Product Characteristics

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

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:

FAQs

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

Professional Distribution

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