# NSN 5925-01-066-6227: Circuit Breaker

NSN 5925-01-066-6227 (also written 5925010666227; NIIN 01-066-6227) is a circuit breaker in Federal Supply Class 5925, Circuit Breakers. 8 manufacturer part numbers from 3 suppliers are on record. The government has 1 open solicitation for it.

## Identification

- NSN: 5925-01-066-6227 (5925010666227)
- NIIN: 01-066-6227 (010666227)
- Item name: CIRCUIT BREAKER
- Federal Supply Class: [FSC 5925 Circuit Breakers](https://nsnexplorer.com/fsc/5925/)
- Federal Supply Group: [FSG 59](https://nsnexplorer.com/group/59/)
- Acquisition method suffix code: AMSC T: handled under qualified products list procedures. (observed 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAJE | THREAD PITCH DIAMETERS | INCHES 0.1177 TO 0.1214 |
| AAQL | BODY STYLE | — |
| ADAQ | BODY LENGTH | INCHES MAXIMUM 2.510 |
| ADAT | BODY WIDTH | INCHES MINIMUM 0.730 AND INCHES MAXIMUM 0.780 |
| AEBP | CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH | INCHES MINIMUM 1.660 AND INCHES MAXIMUM 1.960 |
| AEBY | DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH | INCHES MINIMUM 2.046 AND INCHES MAXIMUM 2.078 |
| AFJN | FRAGILITY FACTOR | MODERATELY RUGGED |
| AJEC | BOSS HEIGHT | INCHES MINIMUM 0.109 AND INCHES MAXIMUM 0.171 |
| AJWX | MOUNTING SURFACE TO TERMINAL END DISTANCE | INCHES MAXIMUM 2.553 |
| AKPX | POLE QUANTITY | 1 |
| APNQ | ARC QUENCHING METHOD | MAGNETIC BLOWOUT |
| AXHR | MOUNTING FACILITY TYPE AND QUANTITY | THREADED HOLE(S) 2 |
| BBRJ | SPECIAL HANDLING FEATURE | MAGNETIC |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| CPLM | MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE | SINGLE LOCATION AMPERES DC 50.0 |
| CPRF | OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS | SINGLE LOCATION DC 50.0 |
| CPRG | MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS | SINGLE LOCATION DC 2000.0 |
| CPRH | CIRCUIT PROTECTION TYPE | SINGLE LOCATION OVERCURRENT |
| CPRJ | TRIP RELEASE METHOD | SINGLE LOCATION MAGNETIC |
| CPRL | TRIP RELEASE CHARACTERISTIC | SINGLE LOCATION TIME DELAY |
| CPRN | ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT | 125.0 |
| CPRQ | RESET METHOD | MANUAL |
| CPRR | MAIN CONTACT TRIPPING MECHANISM TYPE | TRIP FREE |
| CPRT | MANUAL ACTUATOR TYPE AND QUANTITY | TOGGLE 1 |
| CPRW | ACTUATOR FUNCTION | TRIP-RESET |
| CPRX | ACTUATOR POSITION DESIGNATION | AT POLE ONE |
| CPSM | INTERNAL TRIP RELEASE CONFIGURATION | SINGLE LOCATION SERIES TRIP |
| CQJX | NOMINAL THREAD SIZE | INCHES 0.138 |
| CQWN | TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT | SINGLE LOCATION MINIMUM AT 200 PCT 0.600 AND MAXIMUM AT 200 PCT 8.000 |
| CQXF | INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED | MOISTURE RESISTANT AND SHOCK RESISTANT AND VIBRATION RESISTANT |
| MATT | MATERIAL | CASE PLASTIC |
| TEST | TEST DATA DOCUMENT | SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). 81349--IL-C-55629 |
| THSD | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
| TTQY | TERMINAL TYPE AND QUANTITY | THREADED STUD 2 |
| ZZZK | SPECIFICATION/STANDARD DATA | GOVERNMENT SPECIFICATION 81349--IL-C-55629 TO 1 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| AM12MG6-50-12VDC | 74193 | EATON CORP HEINEMANN PRODUCTS COMMERCIAL CONTROLS DIV | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| AM12MG6-50-50VDC4 | 74193 | EATON CORP HEINEMANN PRODUCTS COMMERCIAL CONTROLS DIV | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| AM1Z3-1-50-12DC | 74193 | EATON CORP HEINEMANN PRODUCTS COMMERCIAL CONTROLS DIV | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| APL1-52-50AMP | 81541 | SENSATA TECHNOLOGIES MARYLAND, INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| M55629/1-127 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| M55629/1-127L | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MIL-C-55629/1 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MIL-PRF-55629/1 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE7M1-27-U-0492 | 27 | 2026-10-21 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5925010666227&category=nsn) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5925010666227&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5925010666227
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- All data is public U.S. government data; every row above links to its source record where one exists.

Canonical page: https://nsnexplorer.com/nsn/5925-01-066-6227/
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