6625-00-080-7204

Find complete technical information, availability, and procurement data for: 6625-00-080-7204
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Federal Supply Group

Instruments and Laboratory Equipment

Federal Supply Classification

6625 Electrical and Electronic Properties Measuring and Testing Instruments

National Stock Number

6625-00-080-7204

Item Name Code

00329

Assigment Date

01/01/1963 (63 years ago)

An electronic device having frequency mixing circuits and an integral oscillator which mixes the incoming frequency(ies) with the oscillator frequency, the resultant frequency(ies) being a combination of the two sources. Includes equipment that performs these functions at either radio or power line frequencies. Excludes:items that change frequency by means of rotating equipment or rectifier and switching or keying circuitry.

20.750 inches nominal overall length, 12.500 inches nominal overall height, not rated average life measurement, 15.250 inches nominal overall width, rectangular or square basic shape style

Product Characteristics

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

Overall Length: 20.750 inches nominal
Overall Height: 12.500 inches nominal
Overall Width: 15.250 inches nominal
Average Life Measurement: not rated
Basic Shape Style: rectangular or square
Inclosure Type: encased
Installation Design: top of cabinet/counter
Circuit Construction Type: electron tube
Frequency Per Channel: 10.0 megahertz minimum operating channel
Frequency Per Channel: 12.4 gigahertz maximum operating channel
Operating Ac Frequency In Hertz: 1000.0 maximum single voltage
Operating Ac Frequency In Hertz: 50.0 minimum single voltage
External Ac Operating Voltage In Volts: 115.0 minimum single voltage
External Ac Operating Voltage In Volts: 230.0 maximum single voltage
Phase: single
Functional Classification: aa-6.3
Functional Description: extends frequency measurement range of an/usm-26 & an/usm-207a into microwave range; along w/ an/usm-26 or -207a can measure frequencies up to 12.4 ghz,or w/ an external mixer 1-18 ghz; can be used w/out a frequency counter to measure frequencies below 4 ghz w/in about porm 0.5 pct; frequency is determined by zero-beating the unknown signal w/ a harmonic of an extremely stable signal generated w/in & to measure cm-77a fundamental frequency on a counter; multiplying counter readout by harmonic causing the zero-beat gives input frequency; harmonic no. is determined from previous knowledge of input frequency or by computation; zer/-beat is displayed on internal oscilloscope
Entry Date: 70-12-01
Reference Data And Literature: dept of army publications: tb9-6625-336-50,19 nov 64; tm11-6625-493-15 w/ changes 1 & 2,29 sep 64; tm 11-6625-493-20p; tm11-6625-493-45p,19 oct 64
Relationship To Similar Equipment: interchangeable w/ 6625009739267 & 6625007355167; similar to cm-77/usm
Type/Model Designation: cm-77a/usm

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
6625-00-788-3780	No Name Available	01/01/1963

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
CM-77A/USM	Electronic Frequency Converter
CM77AUSM	Electronic Frequency Converter

FAQs

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

What is the FSCG of the NSN 6625-00-080-7204?

The FSCG of the NSN 6625-00-080-7204 is 6625

Does the NSN 6625-00-080-7204 have a Schedule B code assigned?

Yes, the Schedule B code is 9030908030

Does NSN 6625-00-080-7204 require demilitarization?

"usml or ccl military items - demil required. Remove and demilitarize installed key point(s) items as demil code "d". (note 4)."

Does NSN 6625-00-080-7204 contain precious materials?

Item does not contain precious metal.

Does NSN 6625-00-080-7204 contain hazardous materials?

Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of fed std 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.

When the NSN 6625-00-080-7204 was assigned to the Federal Catalog?

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