The Circuit Breaker, cataloged under National Stock Number 5925-01-731-1980, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Siemens Industry, Inc.. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5925-01-731-1980 |
| Primary Part Number | 3RB31334WB0 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Manufacturer | Siemens Industry, Inc. |
| Status | ACTIVE |
| Reset Method | AUTOMATIC |
| Body Width | 2.98 INCHES NOMINAL IN |
| Body Height | 3.91 INCHES NOMINAL IN |
| Pole Quantity | 3 |
| 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 |
|---|---|
| 3RB31334WB0 PRIMARY | Siemens Industry, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 1110700903 | 7/2 Vendor item drawing reference Devcom Chemical Biological Center Dba Chemical Biological Center Div U.s. Dept of Army |
NSN 5925-01-731-1980 is a Circuit Breaker, manufactured by Siemens Industry, Inc., classified under FSC 5925, Circuit Breakers. Status: active.
NSN 5925-01-731-1980 has 1 manufacturer part number on file: 3RB31334WB0 (Siemens Industry, Inc.).
Key specifications for 3RB31334WB0: Reset Method: AUTOMATIC; Body Width: 2.98 INCHES NOMINAL IN; Body Height: 3.91 INCHES NOMINAL IN; Pole Quantity: 3. 4 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.