The Transformer,power, cataloged under National Stock Number 5950-01-420-2188, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Standex Electronics, Inc.. Government technical data includes 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-01-420-2188 |
| Primary Part Number | T235A434-1 |
| Item Name | Transformer,power |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Standex Electronics, Inc. |
| Status | ACTIVE |
| Inclosure Type | OPEN |
| Input-Output Phase Relationship | SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT |
| Mounting Method | TAB SINGLE GROUP |
| Winding Function and Quantity | 1 PRIMARY AND 4 SECONDARY SINGLE COMPONENT |
| Specification/standard Data | 78711-T235A434 MANUFACTURERS SOURCE CONTROL |
| Maximum Operating Temp | 130.0 CELSIUS DEGC |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 50.0 KILOHERTZ NOMINAL SINGLE COMPONENT |
| Winding Operating Voltage | 0.25 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY |
| Winding Operating Voltage | 0.25 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY |
| Winding Operating Voltage | 0.90 AC VOLTS NOMINAL AND 0.75 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY |
| Winding Operating Voltage | 1.40 AC VOLTS NOMINAL SINGLE COMPONENT FOURTH SECONDARY |
| Winding Operating Voltage | 2.80 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Terminal Type and Quantity | 11 PIN AND 44 WIRE LEAD |
| 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 |
|---|---|
| T235A434-1 PRIMARY | Standex Electronics, Inc. (USA) |
| T235A434-1 | Telephonics Corp (USA) |
| 657601 PRIMARY | Electronic Transformer Corp Div Electronic Transformer Corporation (USA) |
| 600-132 PRIMARY | B.c. Systems Inc. Dba Bc Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 600-132 | 5/9 Secondary reference Tempo Instrument Inc Defense Electronics Div |
NSN 5950-01-420-2188 is a Transformer,power, manufactured by Standex Electronics, Inc., classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-420-2188 has 4 manufacturer part numbers on file: T235A434-1 (Standex Electronics, Inc.), T235A434-1 (Telephonics Corp), 657601 (Electronic Transformer Corp Div Electronic Transformer Corporation), 600-132 (B.c. Systems Inc. Dba Bc Systems Inc).
1 possible match (shared part number, not a government interchangeability claim): 6145-01-697-5265. Verify interchangeability with system specifications before substitution.
Key specifications for T235A434-1: Overall Height: 1.160 INCHES MAXIMUM IN; Inclosure Type: OPEN; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT; Mounting Method: TAB 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.