The Circuit Breaker, cataloged under National Stock Number 5925-01-421-2632, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Wesco Distribution, Inc. Div Harrisburg Pa. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5925-01-421-2632 |
| Primary Part Number | 452D391G23 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Manufacturer | Wesco Distribution, Inc. Div Harrisburg Pa |
| 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 |
|---|---|
| 452D391G23 | Wesco Distribution, Inc. Div Harrisburg Pa (USA) |
| Reference | Meaning |
|---|---|
| 452D391G23 | 3/2 Design control — primary reference U.S. Government activity |
| 900J377 | 5/1 Secondary reference U.S. Government activity |
| 900J377 | 5/1 Secondary reference Westinghouse Electric Corp |
| 452D391G23 | 5/1 Secondary reference Westinghouse Electric Corp |
NSN 5925-01-421-2632 is a Circuit Breaker, manufactured by Wesco Distribution, Inc. Div Harrisburg Pa, classified under FSC 5925, Circuit Breakers. Status: active.
NSN 5925-01-421-2632 has 1 manufacturer part number on file: 452D391G23 (Wesco Distribution, Inc. Div Harrisburg Pa).
Key specifications for 452D391G23: End Item Identification: REACTOR FILL CVN-65. 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.