The Circuit Breaker, cataloged under National Stock Number 5925-01-301-2920, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Ultra Sonar Systems Limited. Government technical data includes 22 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5925-01-301-2920 |
| Primary Part Number | 100563-9000-008 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Manufacturer | Ultra Sonar Systems Limited |
| Status | ACTIVE |
| Bushing Length | 0.380 INCHES MAXIMUM IN |
| Internal Trip Release Configuration | SERIES TRIP ALL LOCATIONS |
| Operating Voltage Type and Rating Per Pole in Volts | 240.0 AC ALL LOCATIONS |
| Mounting Facility Type and Quantity | 1 THREADED BUSHING |
| Frequency in Hertz | 50.0 OR 60.0 ALL LOCATIONS |
| Body Style | MULTIPOLE-SINGLE ACTUATOR TYPE |
| Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent | 125.0 ALL LOCATIONS |
| Body Width | 1.500 INCHES MAXIMUM IN |
| Pole Quantity | 3 |
| Mounting Surface to Terminal End Distance | 1.780 INCHES MAXIMUM IN |
| Maximum Continuous Load Current Rating Per Pole | 12.500 AMPERES AC ALL LOCATIONS |
| Trip Release Characteristic | TIME DELAY ALL LOCATIONS |
| Nominal Thread Size | 0.375 INCHES IN |
| Body Length | 1.875 INCHES MAXIMUM IN |
| Trip Delay Time in Seconds Per Rated Continuous Current | 10.000 MAXIMUM AT 125 PCT ALL LOCATIONS |
| Manual Actuator Type and Quantity | 1 TOGGLE |
| Inclosure Protection Type for Which Designed | HERMETICALLY SEALED |
| Thread Quantity Per Inch | 32 |
| Terminal Type and Quantity | 6 WIRE HOOK |
| Thread Series Designator | UNEF |
| Trip Release Method | MAGNETIC ALL LOCATIONS |
| Center to Center Distance Between Terminals Parallel to Length | 0.875 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 |
|---|---|
| 100563-9000-008 | Ultra Sonar Systems Limited (GBR) |
| Reference | Meaning |
|---|---|
| AP-MIL-112-1R-64-1252 | 3/2 Design control — primary reference U.S. Government activity |
| 100563-9000-008 | 5/9 Secondary reference Ministry of Defence, De&s Underwater and Electronic Warfare Pt (uew Ipt) |
| 100563-9000-008 | 5/9 Secondary reference Ministry of Defence, De&s Underwater and Electronic Warfare Pt (uew Ipt) |
NSN 5925-01-301-2920 is a Circuit Breaker, manufactured by Ultra Sonar Systems Limited, classified under FSC 5925, Circuit Breakers. Status: active.
NSN 5925-01-301-2920 has 1 manufacturer part number on file: 100563-9000-008 (Ultra Sonar Systems Limited).
Key specifications for 100563-9000-008: Bushing Length: 0.380 INCHES MAXIMUM IN; Internal Trip Release Configuration: SERIES TRIP ALL LOCATIONS; Operating Voltage Type and Rating Per Pole in Volts: 240.0 AC ALL LOCATIONS; Mounting Facility Type and Quantity: 1 THREADED BUSHING. 22 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.