The Circuit Breaker, cataloged under National Stock Number 5925-00-920-6824, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 27 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5925-00-920-6824 |
| Primary Part Number | 5M2555 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Reset Method | MANUAL |
| Internal Trip Release Configuration | SERIES TRIP SINGLE LOCATION |
| Operating Voltage Type and Rating Per Pole in Volts | 30.0 DC SINGLE LOCATION |
| Mounting Facility Type and Quantity | 2 UNTHREADED HOLE(S) |
| Actuator Position Designation | AT POLE ONE |
| Body Style | SINGLE POLE TYPE |
| Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent | 130.0 SINGLE LOCATION |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Length | 1.574 INCHES NOMINAL IN |
| Circuit Protection Type | OVERCURRENT SINGLE LOCATION |
| Body Width | 1.250 INCHES NOMINAL IN |
| Storage Type | GENERAL PURPOSE WAREHOUSE |
| Unthreaded Mounting Hole Diameter | 0.250 INCHES NOMINAL IN |
| Pole Quantity | 1 |
| Mounting Surface to Terminal End Distance | 1.266 INCHES NOMINAL IN |
| Maximum Continuous Load Current Rating Per Pole | 40.0 AMPERES DC SINGLE LOCATION |
| Trip Release Characteristic | TIME DELAY SINGLE LOCATION |
| Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps | 600.0 DC SINGLE LOCATION |
| Trip Delay Time in Seconds Per Rated Continuous Current | 30.000 NOMINAL AT 200 PCT SINGLE LOCATION |
| Manual Actuator Type and Quantity | 1 PUSH BUTTON |
| Inclosure Protection Type for Which Designed | WEATHERPROOF |
| Material | PLASTIC CASE |
| Actuator Function | RESET |
| Trip Release Ambient Temp Rating | 77.0 FAHRENHEIT NOMINAL SINGLE LOCATION DEGF |
| Terminal Type and Quantity | 2 SCREW |
| Main Contact Tripping Mechanism Type | TRIP FREE |
| Trip Release Method | THERMAL SINGLE LOCATION |
| Center to Center Distance Between Terminals Parallel to Length | 0.906 INCHES NOMINAL IN |
| 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 |
|---|---|
| 5M2555 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
| Reference | Meaning |
|---|---|
| CDM-40 | 5/2 Secondary reference U.S. Government activity |
NSN 5925-00-920-6824 is a Circuit Breaker, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5925, Circuit Breakers. Status: active.
NSN 5925-00-920-6824 has 1 manufacturer part number on file: 5M2555 (Caterpillar Inc Div Caterpillar Defense).
1 possible match (shared part number, not a government interchangeability claim): 7045-01-547-6300. Verify interchangeability with system specifications before substitution.
Key specifications for 5M2555: Reset Method: MANUAL; Internal Trip Release Configuration: SERIES TRIP SINGLE LOCATION; Operating Voltage Type and Rating Per Pole in Volts: 30.0 DC SINGLE LOCATION; Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S). 27 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.