The Transformer,radio Frequency, cataloged under National Stock Number 5950-01-130-8259, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems. Government technical data includes 20 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5950-01-130-8259 |
| Primary Part Number | 278-0450-050 |
| Item Name | Transformer,radio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| Status | ACTIVE |
| Transformer Function | OUTPUT |
| Inclosure Type | FULLY INCLOSED |
| Turn Quantity | 3 SINGLE COMPONENT SINGLE PRIMARY INPUT |
| Turn Quantity | 1-1/2 SINGLE COMPONENT SINGLE PRIMARY OUTPUT |
| Mounting Method | TERMINAL SINGLE GROUP |
| Inductance Rating | 0.83 MICROHENRIES MINIMUM SINGLE COMPONENT SINGLE PRIMARY INPUT |
| Body Width | 0.155 INCHES MINIMUM AND 0.173 INCHES MAXIMUM IN |
| Body Height | 0.234 INCHES MINIMUM AND 0.254 INCHES MAXIMUM IN |
| Winding Conductor Size | 0.01003 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE PRIMARY INPUT IN |
| Winding Conductor Size | 0.01003 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE PRIMARY OUTPUT IN |
| Coil Form Type | SOLID SINGLE COMPONENT |
| Winding Function and Quantity | 1 PRIMARY, FIXED AUTOTRANSFORMER TYPE SINGLE COMPONENT |
| Features Provided | TINNED WIRE LEADS |
| Maximum Operating Temp | 125.0 CELSIUS DEGC |
| Body Length | 0.267 INCHES MINIMUM AND 0.295 INCHES MAXIMUM IN |
| Rating Method | WINDING TURNS SINGLE COMPONENT SINGLE PRIMARY OUTPUT |
| Rating Method | ELECTRICAL AND WINDING TURNS SINGLE COMPONENT SINGLE PRIMARY INPUT |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 25.0 MEGAHERTZ NOMINAL SINGLE COMPONENT |
| Terminal Type and Quantity | 3 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 |
|---|---|
| 278-0450-050 PRIMARY | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA) |
| Reference | Meaning |
|---|---|
| A-659 | 5/2 Secondary reference U.S. Government activity |
NSN 5950-01-130-8259 is a Transformer,radio Frequency, manufactured by Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-130-8259 has 1 manufacturer part number on file: 278-0450-050 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems).
Key specifications for 278-0450-050: Transformer Function: OUTPUT; Inclosure Type: FULLY INCLOSED; Turn Quantity: 3 SINGLE COMPONENT SINGLE PRIMARY INPUT; Turn Quantity: 1-1/2 SINGLE COMPONENT SINGLE PRIMARY OUTPUT. 20 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.