The Circuit Breaker, cataloged under National Stock Number 5925-01-472-4642, 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. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5925-01-472-4642 |
| Primary Part Number | 82E7121/900J376 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Manufacturer | Wesco Distribution, Inc. Div Harrisburg Pa |
| Status | ACTIVE |
| Reset Method | MANUAL |
| Operating Voltage Type and Rating Per Pole in Volts | 500.0 AC AND 250.0 DC ALL LOCATIONS |
| Pole Quantity | 3 |
| Maximum Continuous Load Current Rating Per Pole | 250.0 AMPERES AC AND 125.0 AMPERES DC ALL LOCATIONS |
| 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 |
|---|---|
| 82E7121/900J376 PRIMARY | Wesco Distribution, Inc. Div Harrisburg Pa (USA) |
| 82E7121 PRIMARY | Fromm Electric Supply of Reading, Penna., Llc Dba Fromm, Llc Div Fromm Reading (USA) |
| Reference | Meaning |
|---|---|
| 82E7121 | 3/2 Design control — primary reference U.S. Government activity |
| CD82E7121 | 5/1 Secondary reference U.S. Government activity |
| 900J376 | 5/1 Secondary reference U.S. Government activity |
NSN 5925-01-472-4642 is a Circuit Breaker, manufactured by Wesco Distribution, Inc. Div Harrisburg Pa, classified under FSC 5925, Circuit Breakers. Status: active.
NSN 5925-01-472-4642 has 2 manufacturer part numbers on file: 82E7121/900J376 (Wesco Distribution, Inc. Div Harrisburg Pa), 82E7121 (Fromm Electric Supply of Reading, Penna., Llc Dba Fromm, Llc Div Fromm Reading).
Key specifications for 82E7121/900J376: Reset Method: MANUAL; Operating Voltage Type and Rating Per Pole in Volts: 500.0 AC AND 250.0 DC ALL LOCATIONS; Pole Quantity: 3; Maximum Continuous Load Current Rating Per Pole: 250.0 AMPERES AC AND 125.0 AMPERES DC ALL LOCATIONS. 4 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.