The Transformer,power, cataloged under National Stock Number 5950-01-163-9265, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Data Device Corp Dba Beta Transformer Technology. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-01-163-9265 |
| Primary Part Number | 3931 |
| Item Name | Transformer,power |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Data Device Corp Dba Beta Transformer Technology |
| Status | ACTIVE |
| Transformer Winding Connection Type | SCOTT |
| Inclosure Type | FULLY INCLOSED |
| Input-Output Phase Relationship | THREE PHASE TO TWO PHASE SINGLE COMPONENT |
| Mounting Method | TERMINAL SINGLE GROUP |
| Body Width | 1.200 INCHES MAXIMUM IN |
| Body Height | 0.600 INCHES MAXIMUM IN |
| Winding Function and Quantity | 1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT |
| Maximum Operating Temp | 110.0 CELSIUS DEGC |
| Body Length | 1.700 INCHES MAXIMUM IN |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 54.0 HERTZ MINIMUM AND 66.0 HERTZ MAXIMUM SINGLE COMPONENT |
| Winding Operating Voltage | 2.89 AC VOLTS MINIMUM AND 2.91 AC VOLTS MAXIMUM SINGLE COMPONENT ALL SECONDARY |
| Winding Operating Voltage | 81.00 AC VOLTS MINIMUM AND 99.00 AC VOLTS MAXIMUM SINGLE COMPONENT SINGLE PRIMARY |
| Terminal Type and Quantity | 7 PIN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5950-01-163-9265 is a Transformer,power, manufactured by Data Device Corp Dba Beta Transformer Technology, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-163-9265 has 2 manufacturer part numbers on file: 3931 (Data Device Corp Dba Beta Transformer Technology), PEI 8046 (Precision Electronics, Inc).
2 possible matches (shared part number, not a government interchangeability claim): 5985-01-449-8578, 6520-01-460-9226. Verify interchangeability with system specifications before substitution.
Key specifications for 3931: Transformer Winding Connection Type: SCOTT; Inclosure Type: FULLY INCLOSED; Input-Output Phase Relationship: THREE PHASE TO TWO PHASE SINGLE COMPONENT; Mounting Method: TERMINAL SINGLE GROUP. 14 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.