6645-01-063-0399

Find complete technical information, availability, and procurement data for: 6645-01-063-0399
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Federal Supply Group

Instruments and Laboratory Equipment

Federal Supply Classification

6645 Time Measuring Instruments

National Stock Number

6645-01-063-0399

Item Name Code

04879

Assigment Date

07/26/1978 (47 years ago)

outputs:second mark, real time data (rtd), rtd transfer clock, real time transfer gate, 1 mhz sinusoidal, 1 front, 5 mhz sinusoidal, 1 front, 3 mhz square wave; 3.01 0.5 volts, peat-to-peak into a 75 ohm load, uses cesium beam frequency standard and internal battery in portable case special features

Product Characteristics

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

Special Features: outputs:second mark, real time data (rtd), rtd transfer clock, real time transfer gate, 1 mhz sinusoidal, 1 front, 5 mhz sinusoidal, 1 front, 3 mhz square wave; 3.01 0.5 volts, peat-to-peak into a 75 ohm load, uses cesium beam frequency standard and internal battery in portable case

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
21750-6200	Master Regulating Clock
583R784H01	Master Regulating Clock
FE-5440A	Master Regulating Clock
TD-1251/U	Master Regulating Clock

FAQs

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

What is the FSCG of the NSN 6645-01-063-0399?

The FSCG of the NSN 6645-01-063-0399 is 6645

Does the NSN 6645-01-063-0399 have a Schedule B code assigned?

Yes, the Schedule B code is 9104000000

Does NSN 6645-01-063-0399 require demilitarization?

Usml or ccl military items - demil required. Item managers,, equipment specialists, or product specialists must furnish special demilinstructions. (note 3).

Does NSN 6645-01-063-0399 contain precious materials?

Precious metal content is unknown

Does NSN 6645-01-063-0399 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 6645-01-063-0399 was assigned to the Federal Catalog?

It was assigned 47 years ago, on Wed, Jul 26, 1978