6650-00-768-8777

Find complete technical information, availability, and procurement data for: 6650-00-768-8777
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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

6650-00-768-8777

Item Name Code

21884

Assigment Date

01/01/1962 (64 years ago)

0.290 inches minimum and 0.310 inches maximum axial thickness, 1.6170 nominal refraction index, 2.501 inches equivalent focal length, 2.449 inches back focal length, 1.297 inches minimum and 1.300 inches maximum diameter

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: 0.290 inches minimum and 0.310 inches maximum
Equivalent Focal Length: 2.501 inches
Back Focal Length: 2.449 inches
Refraction Index: 1.6170 nominal
Abbe Constant: 55.000
Single Lens Style: double convex
Element Left Surface Radius: 3.100 inches
Element Right Surface Radius: 2.100 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

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
7688777	Optical Instrument Lens

FAQs

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

What is the FSCG of the NSN 6650-00-768-8777?

The FSCG of the NSN 6650-00-768-8777 is 6650

Does the NSN 6650-00-768-8777 have a Schedule B code assigned?

Yes, the Schedule B code is 9018500000

Does NSN 6650-00-768-8777 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 6650-00-768-8777 contain precious materials?

Item does not contain precious metal.

Does NSN 6650-00-768-8777 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 6650-00-768-8777 was assigned to the Federal Catalog?

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