The Circuit Breaker, cataloged under National Stock Number 5925-01-147-5197, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Siemens Agautomatisierungstechnik Aut A13. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5925-01-147-5197 |
| Primary Part Number | C74451-Z1073-U20 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Manufacturer | Siemens Agautomatisierungstechnik Aut A13 |
| Status | ACTIVE |
| Reset Method | MANUAL |
| Fragility Factor | MODERATELY RUGGED |
| Storage Type | GENERAL PURPOSE WAREHOUSE |
| Inclosure Protection Type for Which Designed | GENERAL PURPOSE |
| Material | PLASTIC CASE |
| Special Handling Feature | MAGNETIC |
| Main Contact Tripping Mechanism Type | TRIP FREE |
| 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 |
|---|---|
| C74451-Z1073-U20 | Siemens Agautomatisierungstechnik Aut A13 (DEU) |
| Reference | Meaning |
|---|---|
| 401048-03 | 3/9 Design control — primary reference Tally Printer Corporation |
NSN 5925-01-147-5197 is a Circuit Breaker, manufactured by Siemens Agautomatisierungstechnik Aut A13, classified under FSC 5925, Circuit Breakers. Status: active.
NSN 5925-01-147-5197 has 1 manufacturer part number on file: C74451-Z1073-U20 (Siemens Agautomatisierungstechnik Aut A13).
Key specifications for C74451-Z1073-U20: Reset Method: MANUAL; Fragility Factor: MODERATELY RUGGED; Storage Type: GENERAL PURPOSE WAREHOUSE; Inclosure Protection Type for Which Designed: GENERAL PURPOSE. 7 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.