We've received your request for 540B (described as Converter Frequency Electronic), manufactured by Keysight Technologies Inc with CAGE code 1LQK8. This part is registered under NSN 6625-00-080-7204, classified in FSG / FSC . Our verification process will confirm traceability through supporting identifiers including NIIN 00-080-7204, NCB code 00 (origin: USA), and INC 00329. Please submit your formal quotation request to proceed.
Thank you for choosing Aerospace Exchange for your 540B requirements. We specialize in authenticated aerospace components, offering both NSN-tracked military parts and commercial equivalents, all validated through our rigorous sourcing protocols.
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| MRC | Criteria | Characteristic |
|---|---|---|
| BJBQ | Operating Ac Frequency In Hertz | 50.0 MINIMUM SINGLE VOLTAGE |
| FTLD | Functional Description | EXTENDS FREQUENCY MEASUREMENT RANGE OF AN/USM-26 AND 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 AND 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 |
| BJBQ | Operating Ac Frequency In Hertz | 1000.0 MAXIMUM SINGLE VOLTAGE |
| BHSX | Circuit Construction Type | ELECTRON TUBE |
| AMQY | Installation Design | TOP OF CABINET/COUNTER |
| FAAZ | Phase | SINGLE |
| RTSE | Relationship To Similar Equipment | INTERCHANGEABLE W/ 6625-00-973-9267 AND 6625-00-735-5167; SIMILAR TO CM-77/USM |
| BKFC | External Ac Operating Voltage In Volts | 230.0 MAXIMUM SINGLE VOLTAGE |
| TMDN | Type/Model Designation | CM-77A/USM |
| BKFC | External Ac Operating Voltage In Volts | 115.0 MINIMUM SINGLE VOLTAGE |
| FCLS | Functional Classification | AA-6.3 |
| AGTA | Basic Shape Style | RECTANGULAR OR SQUARE |
| RDAL | Reference Data And Literature | DEPT OF ARMY PUBLICATIONS: TB9-6625-336-50,19 NOV 64; TM11-6625-493-15 W/ CHANGES 1 AND 2,29 SEP 64; TM 11-6625-493-20P; TM11-6625-493-45P,19 OCT 64 |
| ABHP | Overall Length | 20.750 INCHES NOMINAL |
| MRC | Decoded Requirement | Clear Text Reply |
| AJKH | Identification Designator | 540B-28480 |
| ABKW | Overall Height | 12.500 INCHES NOMINAL |
| ABMK | Overall Width | 15.250 INCHES NOMINAL |
| NTRD | Entry Date | 70-12-01 |
| AFSU | Average Life Measurement | NOT RATED |
| BHTB | Frequency Per Channel | 10.0 MEGAHERTZ MINIMUM OPERATING CHANNEL |
| AKNA | Inclosure Type | ENCASED |
| BHTB | Frequency Per Channel | 12.4 GIGAHERTZ MAXIMUM OPERATING CHANNEL |
| End Use : 21160 | Measuring, testing, control instruments |
|---|---|
| Schedule B : 9030908030 (NAICS 334515) | Parts and accessories of articles of schedule b subheading 9030.39 |
| SITC : 87479 | Parts and accessories for instruments and apparatus (except meters) measuring etc. Electrical quanities and devices measuring etc. Ionized radiations |
| ADPE | Represents items with no adp components |
|---|---|
| CRITL | The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. |
| HMIC | P - Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of federal standard 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. |
| PMIC | A - Item does not contain precious metal. |
| AAC | V |
|---|---|
| Classification Control | U |
| MGMT_CTL | G21ten- |
| Quantity per pack | 1 |
| Repariability | If condemned or uneconomically repairable, then dispose at intermediate level. |
| Shelf Life | N/A |
| SOS | B16 |
| Unit of Measure | Ea |
| ACC: | A - Supplies and equipment for aircraft and aerial targets, including aircraft and maintenance parts, aircraft accessories, aircraft |
|---|---|
| ADC: | A - Shipment is not a consolidation and does not exceed 84 inches in any dimension. |
| LTL: | W - Rating variable |
| NMFC: | 061700 - Elec appliances/instruments noi |
| SHC: | Q - High sensitivity, category ii, aa&e, classified confidential |
| TCC: | 2 - Protected/sensitive non-hazardous/non-esd commodities |
| WCC: | 653 - Musical instruments |
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AS9120B and ISO 9001:2015 |
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Aviation Suppliers Association Member |
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FAA AC 0056B Accredited |
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AS 6081:2012 Certification |
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ESD S20.20-2014 Certification |
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