The Circuit Breaker, cataloged under National Stock Number 5925-01-689-8277, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Cooper Bussmann, Llc Dba Cooper Industries. Government technical data includes 17 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5925-01-689-8277 |
| Primary Part Number | 187 120 P-03-1 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Manufacturer | Cooper Bussmann, Llc Dba Cooper Industries |
| Status | ACTIVE |
| Reset Method | MANUAL |
| Operating Voltage Type and Rating Per Pole in Volts | 48.0 DC SINGLE LOCATION |
| Mounting Facility Type and Quantity | 2 THREADED HOLE(S) |
| Actuator Position Designation | AT POLE ONE |
| Center to Center Distance Between Terminals Parallel to Width | 1.46 INCHES NOMINAL IN |
| Fragility Factor | MODERATELY RUGGED |
| Body Style | SINGLE POLE TYPE |
| Circuit Protection Type | OVERVOLTAGE SINGLE LOCATION |
| Pole Quantity | 1 |
| Maximum Continuous Load Current Rating Per Pole | 120.0 AMPERES DC SINGLE LOCATION |
| Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps | 5000.0 DC SINGLE LOCATION |
| Manual Actuator Type and Quantity | 1 ROTARY |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Width | 1.63 INCHES NOMINAL IN |
| Inclosure Protection Type for Which Designed | WEATHERPROOF |
| Material | PLASTIC CASE |
| Actuator Function | RESET |
| Terminal Type and Quantity | 2 THREADED STUD |
| 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 |
|---|---|
| 187 120 P-03-1 PRIMARY | Cooper Bussmann, Llc Dba Cooper Industries (USA) |
NSN 5925-01-689-8277 is a Circuit Breaker, manufactured by Cooper Bussmann, Llc Dba Cooper Industries, classified under FSC 5925, Circuit Breakers. Status: active.
NSN 5925-01-689-8277 has 1 manufacturer part number on file: 187 120 P-03-1 (Cooper Bussmann, Llc Dba Cooper Industries).
Key specifications for 187 120 P-03-1: Reset Method: MANUAL; Operating Voltage Type and Rating Per Pole in Volts: 48.0 DC SINGLE LOCATION; Mounting Facility Type and Quantity: 2 THREADED HOLE(S); Overall Height: 2.37 INCHES NOMINAL IN. 17 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.