The Power Supply, cataloged under National Stock Number 6120-01-689-0739, 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 Tdk-Lambda Americas Inc. Div Tdk-Lambda Americas-Low Power. Government technical data includes 8 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6120-01-689-0739 |
| Primary Part Number | DRB50-5-1 |
| Item Name | Power Supply |
| FSC / FSG | 6120 / 61 — Transformers: Distribution and Power Station |
| Manufacturer | Tdk-Lambda Americas Inc. Div Tdk-Lambda Americas-Low Power |
| Status | ACTIVE |
| Output Voltage Rating | 5.0 AC VOLTS NOMINAL FIRST POWER OUTPUT |
| Ventilation Design Type | AIR COOLED |
| Input Voltage Rating | 120.0 AC VOLTS MINIMUM AND 373.0 AC VOLTS MAXIMUM FIRST ALTERNATE OPERATING POWER RQMT |
| Document Source | 9T790 |
| Operating Ambient Temp Range | -20.0 TO 70.0 CELSIUS DEGC |
| Output Current Rating | 6.0 AC VOLT-AMPERE MAXIMUM FIRST POWER OUTPUT |
| Input Current Rating | 40.0 AC AMPERES NOMINAL FIRST OPERATING POWER RQMT |
| Installation Design | RACK AND SLIDE SUPPORT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| DRB50-5-1 PRIMARY | Tdk-Lambda Americas Inc. Div Tdk-Lambda Americas-Low Power (USA) |
NSN 6120-01-689-0739 is a Power Supply, manufactured by Tdk-Lambda Americas Inc. Div Tdk-Lambda Americas-Low Power, classified under FSC 6120, Transformers: Distribution and Power Station. Status: active.
NSN 6120-01-689-0739 has 1 manufacturer part number on file: DRB50-5-1 (Tdk-Lambda Americas Inc. Div Tdk-Lambda Americas-Low Power).
Key specifications for DRB50-5-1: Overall Height: 2.95 INCHES NOMINAL IN; Output Voltage Rating: 5.0 AC VOLTS NOMINAL FIRST POWER OUTPUT; Ventilation Design Type: AIR COOLED; Overall Width: 1.18 INCHES NOMINAL IN. 8 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.
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.