The Transformer,power, cataloged under National Stock Number 5950-01-533-5589, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Tamura Corporation of America. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5950-01-533-5589 |
| Primary Part Number | 3FD-528 |
| Item Name | Transformer,power |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Tamura Corporation of America |
| Status | ACTIVE |
| Inclosure Type | OPEN |
| Input-Output Phase Relationship | SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT |
| Body Height | 1.437 INCHES NOMINAL IN |
| Reliability Indicator | NOT ESTABLISHED |
| Winding Operating Voltage | 115.00 AC VOLTS NOMINAL AND 230.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Terminal Type and Quantity | 8 PIN |
| 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 |
|---|---|
| 3FD-528 PRIMARY | Tamura Corporation of America (USA) |
| SPW-605-D | Prem Magnetics Inc (USA) |
| PSD5-28 | Tamura Corporation of America (USA) |
| 662-6203-020 | Continental Electronics Corp (USA) |
| Reference | Meaning |
|---|---|
| DSW-528 | 5/9 Secondary reference U.S. Government activity |
| PSD5-28 | 5/9 Secondary reference Microtran Co Inc |
| DTS5-28 | 5/9 Secondary reference Signal Transformer Co Inc |
NSN 5950-01-533-5589 is a Transformer,power, manufactured by Tamura Corporation of America, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-533-5589 has 4 manufacturer part numbers on file: 3FD-528 (Tamura Corporation of America), SPW-605-D (Prem Magnetics Inc), PSD5-28 (Tamura Corporation of America), 662-6203-020 (Continental Electronics Corp).
Key specifications for 3FD-528: Inclosure Type: OPEN; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT; Body Height: 1.437 INCHES NOMINAL IN; Overall Length: 1.875 INCHES NOMINAL IN. 6 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.