# NSN 5925-01-166-7123: Circuit Breaker

NSN 5925-01-166-7123 (also written 5925011667123; NIIN 01-166-7123) is a circuit breaker in Federal Supply Class 5925, Circuit Breakers. 6 manufacturer part numbers from 5 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 5925-01-166-7123 (5925011667123)
- NIIN: 01-166-7123 (011667123)
- 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 C: needs engineering source approval; other sources must qualify first. (observed 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAQL | BODY STYLE | — |
| ABXD | BUSHING LENGTH | INCHES MINIMUM 0.145 AND INCHES MAXIMUM 0.155 |
| ADAQ | BODY LENGTH | INCHES MAXIMUM 2.270 |
| ADAT | BODY WIDTH | INCHES MAXIMUM 2.200 |
| AEBP | CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH | INCHES NOMINAL 1.190 |
| AEBQ | CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO WIDTH | INCHES NOMINAL 0.750 |
| AEGJ | SWITCH CONTACT ARRANGEMENT | SINGLE POLE, DOUBLE THROW |
| AFJN | FRAGILITY FACTOR | MODERATELY RUGGED |
| AJWX | MOUNTING SURFACE TO TERMINAL END DISTANCE | INCHES NOMINAL 2.370 |
| AKPX | POLE QUANTITY | 3 |
| AXHR | MOUNTING FACILITY TYPE AND QUANTITY | THREADED HOLE(S) 6 |
| BBRG | STORAGE TYPE | GENERAL PURPOSE WAREHOUSE |
| BBRJ | SPECIAL HANDLING FEATURE | MAGNETIC |
| CPLM | MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE | ALL LOCATIONS AMPERES AC 10.0 |
| CPRF | OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS | ALL LOCATIONS AC 120.0 |
| CPRG | MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS | ALL LOCATIONS AC 6000.0 |
| CPRH | CIRCUIT PROTECTION TYPE | ALL LOCATIONS OVERCURRENT |
| CPRJ | TRIP RELEASE METHOD | ALL LOCATIONS THERMAL-MAGNETIC |
| CPRL | TRIP RELEASE CHARACTERISTIC | ALL LOCATIONS TIME DELAY |
| CPRN | ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT | 140.0 |
| CPRQ | RESET METHOD | MANUAL |
| CPRR | MAIN CONTACT TRIPPING MECHANISM TYPE | TRIP FREE |
| CPRT | MANUAL ACTUATOR TYPE AND QUANTITY | PUSH-PULL 1 |
| CPRW | ACTUATOR FUNCTION | TRIP-RESET |
| CPRX | ACTUATOR POSITION DESIGNATION | AT POLE TWO |
| CPRZ | AUXILIARY SWITCH FUNCTION AND QUANTITY | ALARM 1 |
| CQJX | NOMINAL THREAD SIZE | INCHES 0.138 |
| CQSM | SWITCH LOCATION AND POSITION DESIGNATION | INTERNAL AT POLE THREE |
| CQWN | TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT | ALL LOCATIONS MINIMUM AT 200 PCT 14.000 AND MAXIMUM AT 200 PCT 52.000 |
| CQXF | INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED | EXPLOSION PROOF AND SHOCK RESISTANT AND DUSTTIGHT AND SAND RESISTANT AND CORROSION RESISTANT |
| CRCF | TRIP RELEASE AMBIENT TEMP RATING | ALL LOCATIONS CELSIUS NOMINAL 25.0 |
| CRTK | SWITCH TERMINAL TYPE | TAB, SOLDER LUG |
| FREQ | FREQUENCY IN HERTZ | 400.0 |
| MATT | MATERIAL | CASE PLASTIC |
| THSD | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
| TTQY | TERMINAL TYPE AND QUANTITY | TAB W/SCREW 6 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 5189636-004 | 15090 | RAYTHEON COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 5189636-004 | 53711 | NAVAL SEA SYSTEMS COMMAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 5189636-004 | 82647 | SENSATA TECHNOLOGIES, INC. DIV SENSATA ATTLEBORO | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 5925PL1324565 | 9009H | JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 6752-322-10 | 82647 | SENSATA TECHNOLOGIES, INC. DIV SENSATA ATTLEBORO | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| BSL-5189636-004 | K0577 | BRITISH SAROZAL LTD | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-28 | [SPE7M526P5279](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5925011667123) | CIRCUIT BREAKER | PEERLESS ELECTRONICS INC. DBA PEERLESS ELECTRONICS INC | $55,442.95 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5925011667123&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5925011667123
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- USAspending contract actions (each award above links to its record)
- 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/5925-01-166-7123/
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