6650-00-816-0507

Find complete technical information, availability, and procurement data for: 6650-00-816-0507
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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

6650-00-816-0507

Item Name Code

21884

Assigment Date

01/01/1962 (64 years ago)

An electrically heated compartment designed to accommodate and maintain at an essentially constant temperature, one or more components, such as, crystal unit(s), quartz; tuned circuits; integrated circuit devices; and semiconductors. It prevents frequency drift and changes in teperature.

0.768 inches nominal and 0.177 inches nominal axial thickness, 0.614 inches nominal compound lens edge thickness, 2.518 inches minimum and 2.520 inches maximum diameter, 9.229 inches equivalent focal length, 0.945 inches nominal compound lens overall 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: 2.518 inches minimum and 2.520 inches maximum
Axial Thickness: 0.768 inches nominal and 0.177 inches nominal
Compound Lens Overall Axial Thickness: 0.945 inches nominal
Compound Lens Edge Thickness: 0.614 inches nominal
Equivalent Focal Length: 9.229 inches
Back Focal Length: 8.061 inches
Front Focal Length: 9.736 inches
Refraction Index: 1.5170 nominal and 1.7200 nominal
Abbe Constant: 64.500 and 29.300
Compound Lens Style: doublet
Individual Lens Style: double convex and double concave
Element Left Surface Radius: -2.559 inches and 2.559 inches
Element Right Surface Radius: -2.559 inches and 28.346 inches
Material: glass optical
Material Document And Classification: mil-g-174, class 1, grade c mil spec single material response
Fsc Application Data: 1. fire control computing sights and devices

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
1575538PC1	Optical Instrument Lens

FAQs

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

What is the FSCG of the NSN 6650-00-816-0507?

The FSCG of the NSN 6650-00-816-0507 is 6650

Does the NSN 6650-00-816-0507 have a Schedule B code assigned?

Yes, the Schedule B code is 9018500000

Does NSN 6650-00-816-0507 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 6650-00-816-0507 contain precious materials?

Precious metal content is unknown

Does NSN 6650-00-816-0507 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 6650-00-816-0507 was assigned to the Federal Catalog?

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