The Circuit Breaker, cataloged under National Stock Number 5925-01-428-7667, 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 18 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5925-01-428-7667 |
| Primary Part Number | 77A105897P072 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| Reset Method | MANUAL |
| Operating Voltage Type and Rating Per Pole in Volts | 480.0 AC ALL LOCATIONS |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S) |
| Center to Center Distance Between Terminals Parallel to Width | 1.375 INCHES NOMINAL IN |
| Body Style | MULTIPOLE-SINGLE ACTUATOR TYPE |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Length | 4.880 INCHES NOMINAL IN |
| Circuit Protection Type | OVERCURRENT ALL LOCATIONS |
| Body Width | 4.120 INCHES NOMINAL IN |
| Unthreaded Mounting Hole Diameter | 0.182 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN |
| Pole Quantity | 3 |
| Maximum Continuous Load Current Rating Per Pole | 15.0 AMPERES AC ALL LOCATIONS |
| Trip Release Characteristic | INSTANTANEOUS ALL LOCATIONS |
| Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps | 10000.0 AC ALL LOCATIONS |
| Body Length | 6.310 INCHES NOMINAL IN |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Width | 1.370 INCHES NOMINAL IN |
| Trip Release Ambient Temp Rating | -40.0 CELSIUS MINIMUM AND 70.0 CELSIUS MINIMUM ALL LOCATIONS DEGC |
| Terminal Type and Quantity | 6 COMPRESSION |
| Trip Release Method | THERMAL-MAGNETIC ALL LOCATIONS |
| 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 |
|---|---|
| 77A105897P72 | Lockheed Martin Corporation Div Rms (USA) |
| 77A105897P072 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
NSN 5925-01-428-7667 is a Circuit Breaker, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5925, Circuit Breakers. Status: active.
NSN 5925-01-428-7667 has 2 manufacturer part numbers on file: 77A105897P72 (Lockheed Martin Corporation Div Rms), 77A105897P072 (Lockheed Martin Corporation Div Rms).
Key specifications for 77A105897P072: Reset Method: MANUAL; Operating Voltage Type and Rating Per Pole in Volts: 480.0 AC ALL LOCATIONS; Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S); Center to Center Distance Between Terminals Parallel to Width: 1.375 INCHES NOMINAL IN. 18 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.