# NSN 5925-01-276-3749: Circuit Breaker

NSN 5925-01-276-3749 (also written 5925012763749; NIIN 01-276-3749) is a circuit breaker in Federal Supply Class 5925, Circuit Breakers. 4 manufacturer part numbers from 3 suppliers are on record. It was last purchased in Aug 2026.

## Identification

- NSN: 5925-01-276-3749 (5925012763749)
- NIIN: 01-276-3749 (012763749)
- 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 2026-11-04)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAQL | BODY STYLE | — |
| ADAQ | BODY LENGTH | INCHES MINIMUM 5.120 AND INCHES MAXIMUM 5.130 |
| ADAT | BODY WIDTH | INCHES MINIMUM 2.067 AND INCHES MAXIMUM 2.072 |
| AEBP | CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH | INCHES MINIMUM 3.545 AND INCHES MAXIMUM 2.555 |
| AEBQ | CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO WIDTH | INCHES MINIMUM 1.021 AND INCHES MAXIMUM 1.031 |
| AEBY | DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH | INCHES MINIMUM 2.745 AND INCHES MAXIMUM 2.755 |
| AEHA | DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY WIDTH | INCHES MINIMUM 1.021 AND INCHES MAXIMUM 1.031 |
| AJEC | BOSS HEIGHT | INCHES MINIMUM 0.215 AND INCHES MAXIMUM 0.225 |
| AJWX | MOUNTING SURFACE TO TERMINAL END DISTANCE | INCHES MINIMUM 3.545 AND INCHES MAXIMUM 3.555 |
| AKPX | POLE QUANTITY | 2 |
| AXHR | MOUNTING FACILITY TYPE AND QUANTITY | THREADED HOLE(S) 4 |
| BBRG | STORAGE TYPE | GENERAL PURPOSE WAREHOUSE |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| CPLM | MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE | ALL LOCATIONS AMPERES AC 9.0 |
| CPRF | OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS | ALL LOCATIONS AC 277.0 AND AC 480.0 |
| CPRG | MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS | ALL LOCATIONS AC 5000.0 |
| CPRH | CIRCUIT PROTECTION TYPE | ALL LOCATIONS OVERCURRENT |
| CPRJ | TRIP RELEASE METHOD | ALL LOCATIONS MAGNETIC-HYDRAULIC |
| CPRL | TRIP RELEASE CHARACTERISTIC | ALL LOCATIONS 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 2 |
| CPRW | ACTUATOR FUNCTION | TRIP-RESET |
| CPRX | ACTUATOR POSITION DESIGNATION | AT EACH POLE |
| CPRY | EXTERNAL ACTUATOR LINKAGE ARRANGEMENT | ONE AND TWO LINKED |
| CPSM | INTERNAL TRIP RELEASE CONFIGURATION | ALL LOCATIONS SERIES TRIP |
| CQJX | NOMINAL THREAD SIZE | INCHES 0.138 |
| CQWN | TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT | ALL LOCATIONS MINIMUM AT 200 PCT 20.000 AND MAXIMUM AT 200 PCT 130.000 |
| CQXF | INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED | FUNGUS RESISTANT AND MOISTURE RESISTANT |
| FREQ | FREQUENCY IN HERTZ | 50.0 OR 60.0 |
| MATT | MATERIAL | CASE PLASTIC |
| THSD | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
| TTQY | TERMINAL TYPE AND QUANTITY | THREADED STUD 4 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 219-2-1-63F-5-8-9 | 81541 | SENSATA TECHNOLOGIES MARYLAND, INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| CD2--A3-AB0009-01B | 74193 | EATON CORP HEINEMANN PRODUCTS COMMERCIAL CONTROLS DIV | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| CD2-A3-AB-9-480-1 | 74193 | EATON CORP HEINEMANN PRODUCTS COMMERCIAL CONTROLS DIV | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| S90-0016-001 | 14304 | L3HARRIS TECHNOLOGIES, INC. DBA HARRIS CORP DIV HARRIS DEFENSE COMMUNICATIONS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-18 | [SPE7M526V6913](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5925012763749) | CIRCUIT BREAKER | — | $1,000.00 |
| 2026-08-18 | [SPE7M526V6913](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5925012763749) | CIRCUIT BREAKER | — | $1,000.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5925012763749&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5925012763749
- 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/5925-01-276-3749/
JSON: https://nsnexplorer.com/api/nsn/5925-01-276-3749.json