The Circuit Breaker, cataloged under National Stock Number 5925-01-481-0479, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Evac North America Inc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5925-01-481-0479 |
| Primary Part Number | 6600056-005 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Manufacturer | Evac North America Inc |
| Status | ACTIVE |
| Operating Voltage Type and Rating Per Pole in Volts | 480.0 AC ALL LOCATIONS |
| Pole Quantity | 2 |
| 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 |
|---|---|
| 6600056-005 PRIMARY | Evac North America Inc (USA) |
| Reference | Meaning |
|---|---|
| 6600056-005 | 5/9 Secondary reference Envirovac Inc Dba Monogram Systems-Rockford Div |
| 6600056-004 | C/1 Advisory reference — outside the item-of-supply concept Envirovac Inc Dba Monogram Systems-Rockford Div |
NSN 5925-01-481-0479 is a Circuit Breaker, manufactured by Evac North America Inc, classified under FSC 5925, Circuit Breakers. Status: active.
NSN 5925-01-481-0479 has 1 manufacturer part number on file: 6600056-005 (Evac North America Inc).
Key specifications for 6600056-005: Operating Voltage Type and Rating Per Pole in Volts: 480.0 AC ALL LOCATIONS; Pole Quantity: 2; Special Features: 1A; CB2 A; Part Name Assigned by Controlling Agency: BREAKER, CIRCUIT. 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.