1575478

View detailed technical data, stock status, and sourcing information for: 1575478
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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

6650-00-658-3126

Item Name Code

21879

Assigment Date

01/01/1963 (63 years ago)

A transparent item with at least two polished plane surfaces inclined toward each other, designed for use in optical instruments to reflect and/or refract a beam of light. It may have one or more mirrored surfaces for greater reflection. Includes optical wedges used to divert paths of light by refraction, but to a lesser degree. See also beam splitter, optical instrument.

glass optical material, mil-g-174, class 1, grade a, type 517-645 mil spec single material response material document and classification, porro system style designator, 65 deg porm 10 min light deviation

Product Characteristics

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

Light Deviation: 65 deg porm 10 min
Material: glass optical
Material Document And Classification: mil-g-174, class 1, grade a, type 517-645 mil spec single material response
Style Designator: porro system

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
1575478	Optical Instrument Prism

FAQs

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

What is the FSCG of the NSN 6650-00-658-3126?

The FSCG of the NSN 6650-00-658-3126 is 6650

Does the NSN 6650-00-658-3126 have a Schedule B code assigned?

Yes, the Schedule B code is 9018500000

Does NSN 6650-00-658-3126 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 6650-00-658-3126 contain precious materials?

Precious metal content is unknown

Does NSN 6650-00-658-3126 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 6650-00-658-3126 was assigned to the Federal Catalog?

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