The Circuit Breaker, cataloged under National Stock Number 5925-01-485-8779, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Willard Marine, Inc.. Government technical data includes 29 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5925-01-485-8779 |
| Primary Part Number | 13MPE-301-016 PC 20 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Manufacturer | Willard Marine, Inc. |
| Status | ACTIVE |
| Reset Method | MANUAL |
| Internal Trip Release Configuration | SERIES TRIP SINGLE LOCATION |
| Operating Voltage Type and Rating Per Pole in Volts | 65.0 DC SINGLE LOCATION |
| Mounting Facility Type and Quantity | 2 THREADED HOLE(S) |
| Actuator Position Designation | AT POLE ONE |
| Unpackaged Unit Weight | 2.200 OUNCES NOMINAL OZ |
| Body Style | SINGLE POLE TYPE |
| Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent | 125.0 SINGLE LOCATION |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Length | 1.645 INCHES MINIMUM AND 1.675 INCHES MAXIMUM IN |
| Circuit Protection Type | OVERCURRENT SINGLE LOCATION |
| Body Width | 0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM IN |
| Storage Type | GENERAL PURPOSE WAREHOUSE |
| Pole Quantity | 1 |
| Mounting Surface to Terminal End Distance | 2.032 INCHES MAXIMUM IN |
| Maximum Continuous Load Current Rating Per Pole | 10.0 AMPERES DC SINGLE LOCATION |
| Trip Release Characteristic | TIME DELAY SINGLE LOCATION |
| Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps | 2000.0 DC SINGLE LOCATION |
| Nominal Thread Size | 0.138 INCHES IN |
| Body Length | 1.985 INCHES MINIMUM AND 2.015 INCHES MAXIMUM IN |
| Trip Delay Time in Seconds Per Rated Continuous Current | 1.000 MINIMUM AT 200 PCT AND 10.000 MAXIMUM AT 200 PCT SINGLE LOCATION |
| Manual Actuator Type and Quantity | 1 TOGGLE |
| Thread Quantity Per Inch | 32 |
| Material | PLASTIC CASE |
| Actuator Function | TRIP-RESET |
| Terminal Type and Quantity | 2 SCREW |
| Special Handling Feature | MAGNETIC |
| Main Contact Tripping Mechanism Type | TRIP FREE |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Boss Height | 0.115 INCHES MINIMUM AND 0.145 INCHES MAXIMUM 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 |
|---|---|
| 13MPE-301-016 PC 20 | Willard Marine, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 13MPE-301-016 | D/9 Drawing number reference only Willard Marine, Inc. |
| UPG-6-1-51-502-91 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| UPG-6-1-51-153-91 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| UPG-6-1-51-203-91 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| UPG-6-1-51-103-91 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5925-01-485-8779 is a Circuit Breaker, manufactured by Willard Marine, Inc., classified under FSC 5925, Circuit Breakers. Status: active.
NSN 5925-01-485-8779 has 1 manufacturer part number on file: 13MPE-301-016 PC 20 (Willard Marine, Inc.).
Key specifications for 13MPE-301-016 PC 20: Reset Method: MANUAL; Internal Trip Release Configuration: SERIES TRIP SINGLE LOCATION; Operating Voltage Type and Rating Per Pole in Volts: 65.0 DC SINGLE LOCATION; Mounting Facility Type and Quantity: 2 THREADED HOLE(S). 29 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.