The Thermal Release,circuit Breaker, cataloged under National Stock Number 5925-01-511-5581, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Eaton Corp Opns & Technical Center. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5925-01-511-5581 |
| Primary Part Number | CB223-20 |
| Item Name | Thermal Release,circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Manufacturer | Eaton Corp Opns & Technical Center |
| Status | ACTIVE |
| Body Material | PLASTIC |
| Overload Rating in Amps | 20.000 NOMINAL |
| 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 |
|---|---|
| 97C8626 | Newark Corporation Dba Newark, an Avnet Company (USA) |
| 504-CB223-20 | Mouser Electronics, Inc Dba Mouser Electronics (USA) |
| CB223-20 PRIMARY | Eaton Corp Opns & Technical Center (USA) |
| Reference | Meaning |
|---|---|
| CB223-20 | 5/9 Secondary reference Wesco International Inc |
| 22320-200 | 5/2 Secondary reference U.S. Government activity |
| 22320-200 | 3/9 Design control — primary reference Mcgraw Edison Co Usd Opns Sub of Cooper Industries |
NSN 5925-01-511-5581 is a Thermal Release,circuit Breaker, manufactured by Eaton Corp Opns & Technical Center, classified under FSC 5925, Circuit Breakers. Status: active.
NSN 5925-01-511-5581 has 3 manufacturer part numbers on file: 97C8626 (Newark Corporation Dba Newark, an Avnet Company), 504-CB223-20 (Mouser Electronics, Inc Dba Mouser Electronics), CB223-20 (Eaton Corp Opns & Technical Center).
1 possible match (shared part number, not a government interchangeability claim): 5925-01-569-4427. Verify interchangeability with system specifications before substitution.
Key specifications for CB223-20: Overall Height: 1.580 INCHES NOMINAL IN; Overall Width: 0.760 INCHES NOMINAL IN; Body Material: PLASTIC; Special Features: 20AMP SINGLE POLE THERMAL TYPE III 24 VDC CIRCUIT BREAKER. 8.1MM CENTERLINE 280 MINI TERMINAL. VDC. 2 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.