The Circuit Breaker, cataloged under National Stock Number 5925-00-903-5841, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Lockheed Martin Corporation Div Rms. Government technical data includes 30 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5925-00-903-5841 |
| Primary Part Number | 77C703753P014 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| Bushing Length | 0.375 INCHES NOMINAL IN |
| Reset Method | MANUAL |
| Internal Trip Release Configuration | SERIES TRIP ALL LOCATIONS |
| Operating Voltage Type and Rating Per Pole in Volts | 230.0 AC ALL LOCATIONS |
| Mounting Facility Type and Quantity | 1 THREADED BUSHING |
| Actuator Position Designation | AT POLE TWO |
| Frequency in Hertz | 60.0 ALL LOCATIONS |
| Center to Center Distance Between Terminals Parallel to Width | 0.625 INCHES NOMINAL IN |
| Fragility Factor | MODERATELY RUGGED |
| Body Style | MULTIPOLE-SINGLE ACTUATOR TYPE |
| Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent | 115.0 ALL LOCATIONS |
| Arc Quenching Method | MAGNETIC BLOWOUT |
| Precious Material | SILVER |
| Circuit Protection Type | OVERCURRENT ALL LOCATIONS |
| Body Width | 1.872 INCHES NOMINAL IN |
| Storage Type | GENERAL PURPOSE WAREHOUSE |
| Pole Quantity | 3 |
| Mounting Surface to Terminal End Distance | 1.678 INCHES NOMINAL IN |
| Thread Pitch Diameters | +0.3503 TO 0.3537 INCHES IN |
| Maximum Continuous Load Current Rating Per Pole | 10.0 AMPERES AC ALL LOCATIONS |
| Trip Release Characteristic | TIME DELAY ALL LOCATIONS |
| Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps | 300.0 AC ALL LOCATIONS |
| Nominal Thread Size | 0.375 INCHES IN |
| Body Length | 2.500 INCHES NOMINAL IN |
| Trip Delay Time in Seconds Per Rated Continuous Current | 0.020 MINIMUM AT 200 PCT AND 0.103 MAXIMUM AT 200 PCT SINGLE LOCATION |
| Manual Actuator Type and Quantity | 1 TOGGLE |
| Inclosure Protection Type for Which Designed | HERMETICALLY SEALED |
| Precious Material and Location | CONTACTS SILVER |
| Thread Quantity Per Inch | 32 |
| Actuator Function | TRIP-RESET |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 77C703753P014 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
| Reference | Meaning |
|---|---|
| SM333-10-60-2 | 5/9 Secondary reference Eaton Corp Heinemann Products Commercial Controls Div |
| AP112-1-61-103 | 5/2 Secondary reference U.S. Government activity |
NSN 5925-00-903-5841 is a Circuit Breaker, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5925, Circuit Breakers. Status: active.
NSN 5925-00-903-5841 has 1 manufacturer part number on file: 77C703753P014 (Lockheed Martin Corporation Div Rms).
Key specifications for 77C703753P014: Bushing Length: 0.375 INCHES NOMINAL IN; Reset Method: MANUAL; Internal Trip Release Configuration: SERIES TRIP ALL LOCATIONS; Operating Voltage Type and Rating Per Pole in Volts: 230.0 AC ALL LOCATIONS. 30 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.