69-2540

View detailed technical data, stock status, and sourcing information for: 69-2540
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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

6650-00-137-0283

Item Name Code

22592

Assigment Date

07/11/1971 (55 years ago)

An adjustable item of thin, overlapping opaque plates which are actuated by a ring or other device so as to change the diameter of a central opening, for controlling the intensity of transmitted illumination. It is usually employed to regulate the aperture of a lens in microscopes, and other optical instruments.

6650-00-137-0283, optical instrumen iris diaphragm

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
69-2540	Optical Instrumen Iris Diaphragm

FAQs

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

What is the FSCG of the NSN 6650-00-137-0283?

The FSCG of the NSN 6650-00-137-0283 is 6650

Does the NSN 6650-00-137-0283 have a Schedule B code assigned?

Yes, the Schedule B code is 9018500000

Does NSN 6650-00-137-0283 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 6650-00-137-0283 contain precious materials?

Item does not contain precious metal.

Does NSN 6650-00-137-0283 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 6650-00-137-0283 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Sun, Jul 11, 1971