8574713

View detailed technical data, stock status, and sourcing information for: 8574713
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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

6650-00-683-9553

Item Name Code

21884

Assigment Date

01/01/1963 (63 years ago)

A cylindrical item specifically designed to hold a lens, reticle, or window in an optical system. Includes eccentric cells and/or rings designed to be rotated within the instrument to shift an optical element to a prescribed position.

1.5170 nominal refraction index, 0.196 inches nominal axial thickness, 4.474 inches equivalent focal length, 4.840 inches back focal length, 1.485 inches nominal diameter

Product Characteristics

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

Diameter: 1.485 inches nominal
Axial Thickness: 0.196 inches nominal
Equivalent Focal Length: 4.474 inches
Back Focal Length: 4.840 inches
Refraction Index: 1.5170 nominal
Abbe Constant: 64.500
Single Lens Style: plano-convex
Individual Lens Style: plano-convex
Element Left Surface Radius: 2.156 inches
Element Right Surface Radius: 30.776 millimeters
Material: glass optical
Material Document And Classification: mil-g-174, class 1, grade b mil spec single material response

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
8574713	Optical Instrument Lens

FAQs

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

What is the FSCG of the NSN 6650-00-683-9553?

The FSCG of the NSN 6650-00-683-9553 is 6650

Does the NSN 6650-00-683-9553 have a Schedule B code assigned?

Yes, the Schedule B code is 9018500000

Does NSN 6650-00-683-9553 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 6650-00-683-9553 contain precious materials?

Item does not contain precious metal.

Does NSN 6650-00-683-9553 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 6650-00-683-9553 was assigned to the Federal Catalog?

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