175921-5

View detailed technical data, stock status, and sourcing information for: 175921-5
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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

6650-00-131-7030

Item Name Code

21883

Assigment Date

01/01/1963 (63 years ago)

An item, usually made of glass, having fine wires or hairs, or etched or printed fine lines on a surface, and placed in the focal plane of an optical instrument to establish a reference point to the axis for the purpose of aiming, measuring, ranging, and the like. Excludes:lens, optical instrument.

12.0 millimeters nominal axial thickness, 45.0 angle in deg, 83.0 millimeters nominal diameter, 64.5 angstroms nominal dispersion, 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: 83.0 millimeters nominal
Angle In Deg: 45.0
Axial Thickness: 12.0 millimeters nominal
Refraction Index: 1.5170 nominal
Dispersion: 64.5 angstroms nominal
Rim Finish: ground
Graduations/Markings: cross line
Bevel Depth And Location: 4.0 millimeters nominal opposite etched surface
Material: glass optical
Style Designator: crossline

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
175921-5	Optical Instrument Reticle
175921PC5	Optical Instrument Reticle

FAQs

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

What is the FSCG of the NSN 6650-00-131-7030?

The FSCG of the NSN 6650-00-131-7030 is 6650

Does the NSN 6650-00-131-7030 have a Schedule B code assigned?

Yes, the Schedule B code is 9018500000

Does NSN 6650-00-131-7030 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 6650-00-131-7030 contain precious materials?

Item does not contain precious metal.

Does NSN 6650-00-131-7030 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 6650-00-131-7030 was assigned to the Federal Catalog?

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