6650-01-091-8941

Find complete technical information, availability, and procurement data for: 6650-01-091-8941
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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

6650-01-091-8941

Item Name Code

21884

Assigment Date

03/14/1980 (46 years ago)

An instrument used to count the frequency of recurrent electronic events and display the count on the panel of the instrument in numeric form. May also include facilities for a readout printed on tape. May include facilities for a very accurate output which can be used as a secondary transfer standard. It can be used to measure frequency, period, time interval, phase angle, frequency ratio, and for multiple period averaging. See also counter, electronic, digital and indicator, digital display.

double convex single lens style, 15.0 millimeters nominal diameter, 1.830 centimeters back focal length, 4.9 millimeters nominal axial thickness, 2.000 centimeters equivalent focal length

Product Characteristics

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

Diameter: 15.0 millimeters nominal
Axial Thickness: 4.9 millimeters nominal
Equivalent Focal Length: 2.000 centimeters
Back Focal Length: 1.830 centimeters
Single Lens Style: double convex
Individual Lens Style: double convex
Material: glass optical

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
01LDX025	Optical Instrument Lens
55-000592-001	Optical Instrument Lens

FAQs

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

What is the FSCG of the NSN 6650-01-091-8941?

The FSCG of the NSN 6650-01-091-8941 is 6650

Does the NSN 6650-01-091-8941 have a Schedule B code assigned?

Yes, the Schedule B code is 9018500000

Does NSN 6650-01-091-8941 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 6650-01-091-8941 contain precious materials?

Precious metal content is unknown

Does NSN 6650-01-091-8941 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 6650-01-091-8941 was assigned to the Federal Catalog?

It was assigned 46 years ago, on Fri, Mar 14, 1980