8431-158

View detailed technical data, stock status, and sourcing information for: 8431-158
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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

6650-00-250-5183

Item Name Code

21887

Assigment Date

11/12/1969 (56 years ago)

63.4 millimeters nominal diameter, one reflection reducing surface, unable to decode reflective backing material, 3.9 millimeters nominal thickness, 2.4 millimeters nominal bevel depth

Product Characteristics

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

Diameter: 63.4 millimeters nominal
Thickness: 3.9 millimeters nominal
Bevel Depth: 2.4 millimeters nominal
Reflective Backing Material: unable to decode
Reflection Reducing Surface: one
Beveled Edge Location And Quantity: 1 circumference
Bevel Angle In Deg: 45.166 nominal
Material: glass optical
Material Document And Classification: mil-g-174 mil spec single material response
Precious Material And Location: reflective backing surface silver
Precious Material: silver

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
8431-158	Optical Instrument Mirror

FAQs

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

What is the FSCG of the NSN 6650-00-250-5183?

The FSCG of the NSN 6650-00-250-5183 is 6650

Does the NSN 6650-00-250-5183 have a Schedule B code assigned?

Yes, the Schedule B code is 9018500000

Does NSN 6650-00-250-5183 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 6650-00-250-5183 contain precious materials?

Item contains silver.

Does NSN 6650-00-250-5183 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 6650-00-250-5183 was assigned to the Federal Catalog?

It was assigned 56 years ago, on Wed, Nov 12, 1969