The Circuit Breaker, cataloged under National Stock Number 5925-01-433-3863, 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 2 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5925-01-433-3863 |
| Primary Part Number | 6649C53G02 |
| 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 |
|---|---|
| 6649C53G02 | Wesco Distribution, Inc. Div Harrisburg Pa (USA) |
| 6649C53G02 | Fdh Defense Aftermarket, Llc (USA) |
| Reference | Meaning |
|---|---|
| CDS 9511161 | 5/2 Secondary reference U.S. Government activity |
| 6649C53G02 | 3/2 Design control — primary reference U.S. Government activity |
| MC-011758PC36 | 5/1 Secondary reference Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc |
NSN 5925-01-433-3863 is a Circuit Breaker, manufactured by Wesco Distribution, Inc. Div Harrisburg Pa, classified under FSC 5925, Circuit Breakers. Status: active.
NSN 5925-01-433-3863 has 2 manufacturer part numbers on file: 6649C53G02 (Wesco Distribution, Inc. Div Harrisburg Pa), 6649C53G02 (Fdh Defense Aftermarket, Llc).
1 possible match (shared part number, not a government interchangeability claim): 5925-01-675-3447. Verify interchangeability with system specifications before substitution.
Key specifications for 6649C53G02: End Item Identification: CIRCUIT BREAKER AQB-A1602 1600A TRP 60CYC 3P A. 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.