The Circuit Breaker, cataloged under National Stock Number 5925-01-475-0091, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Clausing Industrial, Inc. Dba Clausing Service Center Div Clausing Service Center. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5925-01-475-0091 |
| Primary Part Number | 9A-5040S |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Manufacturer | Clausing Industrial, Inc. Dba Clausing Service Center Div Clausing Service Center |
| 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 |
|---|---|
| 9A-5040S PRIMARY | Clausing Industrial, Inc. Dba Clausing Service Center Div Clausing Service Center (USA) |
| Reference | Meaning |
|---|---|
| 9A-5040S | C/1 Advisory reference — outside the item-of-supply concept Clausing Industrial Inc Dba Clausing Corp |
| 9A-5040S | 3/9 Design control — primary reference Clausing Service Ctr |
NSN 5925-01-475-0091 is a Circuit Breaker, manufactured by Clausing Industrial, Inc. Dba Clausing Service Center Div Clausing Service Center, classified under FSC 5925, Circuit Breakers. Status: active.
NSN 5925-01-475-0091 has 1 manufacturer part number on file: 9A-5040S (Clausing Industrial, Inc. Dba Clausing Service Center Div Clausing Service Center).
Key specifications for 9A-5040S: Special Features: OVERLOAD RELAY; 460/575 VOLTS; 3 PHASE; End Item Identification: BAND SAW. 0 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.