The Circuit Breaker, cataloged under National Stock Number 5925-01-557-0620, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Carling Technologies, Inc Dba Carlingswitch. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 — Circuit Breakers (FSG 59) |
| Manufacturers | Carling Technologies, Inc Dba Carlingswitch (CAGE 73559); Np Aerospace Limited (CAGE U7887) |
| Parameter | Value |
|---|---|
| NSN | 5925-01-557-0620 |
| Primary Part Number | CMB-203-11D4N-B-A/20 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Manufacturer | Carling Technologies, Inc Dba Carlingswitch |
| Status | ACTIVE |
| 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 |
|---|---|
| CMB-203-11D4N-B-A/20 PRIMARY | Carling Technologies, Inc Dba Carlingswitch (USA) |
| MAS10530 | Np Aerospace Limited (GBR) |
| Reference | Meaning |
|---|---|
| 1001781 | 7/2 Vendor item drawing reference General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp |
NSN 5925-01-557-0620 is a Circuit Breaker, manufactured by Carling Technologies, Inc Dba Carlingswitch, classified under FSC 5925, Circuit Breakers. Status: active.
NSN 5925-01-557-0620 has 2 manufacturer part numbers on file: CMB-203-11D4N-B-A/20 (Carling Technologies, Inc Dba Carlingswitch), MAS10530 (Np Aerospace Limited).
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.