The Circuit Breaker, cataloged under National Stock Number 5925-01-274-0276, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 — Circuit Breakers (FSG 59) |
| Parameter | Value |
|---|---|
| NSN | 5925-01-274-0276 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Status | ACTIVE |
| Pole Quantity | 1 |
| Specification/standard Data | 81349--55629/20ER GOVERNMENT SPECIFICATION |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| M55629/20ER | 2/2 Government specification standardization U.S. Government activity |
| MIL-PRF-55629/20G | 5/9 Secondary reference U.S. Government activity |
| MIL-C-55629/20 | 5/9 Secondary reference U.S. Government activity |
| MIL-PRF-55629/20 | 4/1 Identification reference U.S. Government activity |
NSN 5925-01-274-0276 is a Circuit Breaker, classified under FSC 5925, Circuit Breakers. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5925-01-676-6899. Verify interchangeability with system specifications before substitution.
Key specifications for 5925-01-274-0276: Pole Quantity: 1; Specification/standard Data: 81349--55629/20ER GOVERNMENT SPECIFICATION. 2 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.