655166

View detailed technical data, stock status, and sourcing information for: 655166
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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

6650-00-152-8682

Item Name Code

22585

Assigment Date

01/01/1963 (63 years ago)

A cylindrical item having an internally flanged diameter designed to retain a lens or window in the objective end, or a diopter scale at the viewing end of an optical instrument. It may have one or more of the following characteristics: internal thread or machined for a press fit, method of securing, and/or knurled periphery. For externally threaded items, see retainer, optical element. Excludes:cell, optical element; nut, plain knurled; nut, plain round; and ring, retaining.

0.156 inches nominal overall length, 3.000 inches nominal outside diameter, one 0.219 in. dia untreaded hole mounting configuration, steel corrosion resisting material, 0.750 inches nominal internal flange thickness

Product Characteristics

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

Overall Length: 0.156 inches nominal
Outside Diameter: 3.000 inches nominal
Mounting Configuration: one 0.219 in. dia untreaded hole
Internal Flange Thickness: 0.750 inches nominal
Material: steel corrosion resisting

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
655166	Optical Element Retaining Ring

FAQs

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

What is the FSCG of the NSN 6650-00-152-8682?

The FSCG of the NSN 6650-00-152-8682 is 6650

Does the NSN 6650-00-152-8682 have a Schedule B code assigned?

Yes, the Schedule B code is 9018500000

Does NSN 6650-00-152-8682 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 6650-00-152-8682 contain precious materials?

Item does not contain precious metal.

Does NSN 6650-00-152-8682 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 6650-00-152-8682 was assigned to the Federal Catalog?

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