1575480

View detailed technical data, stock status, and sourcing information for: 1575480
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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

6650-00-450-1738

Item Name Code

10908

Assigment Date

12/10/1969 (56 years ago)

A color free item of transparent or translucent material, usually optical glass, having specific light dispersive and refractive properties. This item must have two plane-parallel surfaces and is designed for use in an optical instrument to provide a barrier to foreign matter and/or permit light transmission in or to the optical system.

both polished surface, 64.2 angstroms nominal dispersion, 2.047 inches nominal diameter, 0.787 inches nominal thickness, 1.5170 nominal refraction index

Product Characteristics

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

Diameter: 2.047 inches nominal
Thickness: 0.787 inches nominal
Refraction Index: 1.5170 nominal
Polished Surface: both
Dispersion: 64.2 angstroms nominal
Reflection Reducing Surface: both
Polished Periphery: not provided
Material: glass optical location not otherwise specified
Material Document And Classification: mil-g-174, grade a, type 517-642 mil spec single material response location not otherwise specified

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
1575480	Optical Instrument Window

FAQs

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

What is the FSCG of the NSN 6650-00-450-1738?

The FSCG of the NSN 6650-00-450-1738 is 6650

Does the NSN 6650-00-450-1738 have a Schedule B code assigned?

Yes, the Schedule B code is 9018500000

Does NSN 6650-00-450-1738 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 6650-00-450-1738 contain precious materials?

Item does not contain precious metal.

Does NSN 6650-00-450-1738 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 6650-00-450-1738 was assigned to the Federal Catalog?

It was assigned 56 years ago, on Wed, Dec 10, 1969