The Circuit Breaker, cataloged under National Stock Number 5925-01-552-1604, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. Government technical data includes 20 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5925-01-552-1604 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Status | ACTIVE |
| Reset Method | MANUAL |
| Internal Trip Release Configuration | SERIES TRIP ALL LOCATIONS |
| Mounting Facility Type and Quantity | 6 THREADED HOLE(S) |
| Actuator Position Designation | AT EACH POLE |
| Body Style | SINGLE POLE TYPE |
| External Actuator Linkage Arrangement | ONE, TWO, AND THREE LINKED |
| Circuit Protection Type | OVERCURRENT ALL LOCATIONS |
| Body Width | 2.245 INCHES NOMINAL IN |
| Body Height | 2.001 INCHES NOMINAL IN |
| Maximum Continuous Load Current Rating Per Pole | 50.0 AMPERES DC ALL LOCATIONS |
| Trip Release Characteristic | TIME DELAY ALL LOCATIONS |
| Nominal Thread Size | 0.138 INCHES IN |
| Specification/standard Data | 81349 MIL-PRF-55629/5F 21 SEP 2005 GOVERNMENT SPECIFICATION |
| Body Length | 2.530 INCHES MAXIMUM IN |
| Manual Actuator Type and Quantity | 3 TOGGLE |
| Material | PLASTIC CASE |
| Actuator Function | TRIP-RESET |
| Terminal Type and Quantity | 6 THREADED STUD |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Trip Release Method | 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 |
| Reference | Meaning |
|---|---|
| M55629/5-450 | 5/9 Secondary reference U.S. Government activity |
| MIL-PRF-55629/5 | 4/1 Identification reference U.S. Government activity |
| M55629/5-450L | 2/2 Government specification standardization U.S. Government activity |
NSN 5925-01-552-1604 is a Circuit Breaker, classified under FSC 5925, Circuit Breakers. Status: active.
Key specifications for 5925-01-552-1604: Reset Method: MANUAL; Internal Trip Release Configuration: SERIES TRIP ALL LOCATIONS; Mounting Facility Type and Quantity: 6 THREADED HOLE(S); Actuator Position Designation: AT EACH POLE. 20 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.