The Circuit Breaker, cataloged under National Stock Number 5925-01-317-9966, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. Government technical data includes 28 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5925-01-317-9966 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Status | ACTIVE |
| Bushing Length | 0.495 INCHES NOMINAL IN |
| Reset Method | MANUAL |
| Internal Trip Release Configuration | SERIES TRIP W/AUXILIARY LOAD TERMINAL ALL LOCATIONS |
| Operating Voltage Type and Rating Per Pole in Volts | 250.0 AC ALL LOCATIONS |
| Mounting Facility Type and Quantity | 1 THREADED BUSHING WITH PANEL SEAL |
| Switch Terminal Type | QUICK DISCONNECT, MALE |
| Frequency in Hertz | 400.0 ALL LOCATIONS |
| Center to Center Distance Between Terminals Parallel to Width | 0.750 INCHES NOMINAL IN |
| Body Style | MULTIPOLE-SINGLE ACTUATOR TYPE |
| Switch Location and Position Designation | INTERNAL AT POLE ONE |
| Circuit Protection Type | OVERCURRENT ALL LOCATIONS |
| Body Width | 1.500 INCHES NOMINAL IN |
| Pole Quantity | 2 |
| Mounting Surface to Terminal End Distance | 2.200 INCHES NOMINAL IN |
| Maximum Continuous Load Current Rating Per Pole | 0.5 AMPERES AC ALL LOCATIONS |
| Trip Release Characteristic | TIME DELAY ALL LOCATIONS |
| Nominal Thread Size | 0.500 INCHES IN |
| Body Length | 2.000 INCHES NOMINAL IN |
| Trip Delay Time in Seconds Per Rated Continuous Current | 0.500 MINIMUM AT 150 PCT AND 8.000 MAXIMUM AT 150 PCT AND 0.150 MINIMUM AT 200 PCT AND 1.900 MAXIMUM AT 200 PCT AND 0.020 MINIMUM AT 400 PCT AND 0.400 MAXIMUM AT 400 PCT AND 0.006 MINIMUM AT 600 PCT AND 0.250 MAXIMUM AT 600 PCT AND 0.004 MINIMUM AT 800 PCT AND 0.100 MAXIMUM AT 800 PCT AND 0.004 MINIMUM AT 1000 PCT AND 0.050 MAXIMUM AT 1000 PCT ALL LOCATIONS |
| Manual Actuator Type and Quantity | 1 TOGGLE |
| Inclosure Protection Type for Which Designed | MOISTURE RESISTANT AND CORROSION RESISTANT AND SHOCK RESISTANT AND VIBRATION RESISTANT |
| Thread Quantity Per Inch | 32 |
| Terminal Type and Quantity | 10 QUICK DISCONNECT, MALE |
| Main Contact Tripping Mechanism Type | TRIP FREE |
| Thread Series Designator | UN |
| Trip Release Method | MAGNETIC-HYDRAULIC ALL LOCATIONS |
| Auxiliary Switch Function and Quantity | 1 CONTROL |
| Center to Center Distance Between Terminals Parallel to Length | 1.530 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 |
| Reference | Meaning |
|---|---|
| APGN11-1REC4-41-501 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5925-01-317-9966 is a Circuit Breaker, classified under FSC 5925, Circuit Breakers. Status: active.
Key specifications for 5925-01-317-9966: Bushing Length: 0.495 INCHES NOMINAL IN; Reset Method: MANUAL; Internal Trip Release Configuration: SERIES TRIP W/AUXILIARY LOAD TERMINAL ALL LOCATIONS; Operating Voltage Type and Rating Per Pole in Volts: 250.0 AC ALL LOCATIONS. 28 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.