The Transformer,radio Frequency, cataloged under National Stock Number 5950-01-378-9145, 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 15 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-01-378-9145 |
| Primary Part Number | 278-0441-140 |
| 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 |
| Inclosure Type | OPEN |
| Turn Quantity | 5 SINGLE COMPONENT SINGLE PRIMARY INPUT |
| Turn Quantity | 6 SINGLE COMPONENT SINGLE PRIMARY OUTPUT |
| Mounting Method | TERMINAL SINGLE GROUP |
| Winding Conductor Size | 0.00631 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE PRIMARY INPUT IN |
| Winding Conductor Size | 0.00631 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 |
| Winding Shielding Method | GROUND BROUGHT OUT TO TERMINAL SINGLE COMPONENT |
| Features Provided | TINNED WIRE LEADS |
| Rating Method | WINDING TURNS SINGLE COMPONENT SINGLE PRIMARY OUTPUT |
| Rating Method | WINDING TURNS SINGLE COMPONENT SINGLE PRIMARY INPUT |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 50.0 MEGAHERTZ MINIMUM AND 150.0 MEGAHERTZ MAXIMUM SINGLE COMPONENT |
| Terminal Type and Quantity | 5 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 |
|---|---|
| 278-0441-140 | Vanguard Electronics, Llc (USA) |
| 278-0441-140 PRIMARY | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA) |
| 278-0441-140 | Coil Specialty Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 278-0441-140 | 5/9 Secondary reference Filter Research Corporation Dba Filter Research Corp |
| 8313-14 | 5/2 Secondary reference U.S. Government activity |
NSN 5950-01-378-9145 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 5950-01-378-9145 has 3 manufacturer part numbers on file: 278-0441-140 (Vanguard Electronics, Llc), 278-0441-140 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), 278-0441-140 (Coil Specialty Company, Inc.).
Key specifications for 278-0441-140: Inclosure Type: OPEN; Turn Quantity: 5 SINGLE COMPONENT SINGLE PRIMARY INPUT; Turn Quantity: 6 SINGLE COMPONENT SINGLE PRIMARY OUTPUT; Mounting Method: TERMINAL SINGLE GROUP. 15 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.