The Power Supply, cataloged under National Stock Number 6120-01-644-3428, is classified within Federal Supply Class 6120 (Transformers: Distribution and Power Station) of the Electric Wire, Power, and Distribution Equipment group. The manufacturer of record is Keysight Technologies Inc. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6120-01-644-3428 |
| Primary Part Number | 6812B |
| Item Name | Power Supply |
| FSC / FSG | 6120 / 61 — Transformers: Distribution and Power Station |
| Manufacturer | Keysight Technologies Inc |
| Status | ACTIVE |
| Output Voltage Rating | 425.0 DC VOLTS MAXIMUM SECOND POWER OUTPUT |
| Output Voltage Rating | 750.0 AC VOLTS MAXIMUM FIRST POWER OUTPUT |
| Output Wattage Rating | 575.0 WATTS MAXIMUM SECOND POWER OUTPUT |
| Output Current Rating | 5.0 DC AMPERES MAXIMUM SECOND POWER OUTPUT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 6812B PRIMARY | Keysight Technologies Inc (USA) |
| Reference | Meaning |
|---|---|
| 6812B | 3/9 Design control — primary reference Keysight Technologies, Inc. |
NSN 6120-01-644-3428 is a Power Supply, manufactured by Keysight Technologies Inc, classified under FSC 6120, Transformers: Distribution and Power Station. Status: active.
NSN 6120-01-644-3428 has 1 manufacturer part number on file: 6812B (Keysight Technologies Inc).
Key specifications for 6812B: Output Voltage Rating: 425.0 DC VOLTS MAXIMUM SECOND POWER OUTPUT; Output Voltage Rating: 750.0 AC VOLTS MAXIMUM FIRST POWER OUTPUT; End Item Identification: KC-46A AIRCRAFT A; Output Wattage Rating: 575.0 WATTS MAXIMUM SECOND POWER OUTPUT. 4 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 6120-01-644-3428 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.