The Transformer,radio Frequency, cataloged under National Stock Number 5950-01-178-3253, 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 6 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-01-178-3253 |
| Primary Part Number | 278-0434-020 |
| 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 | 3 SINGLE COMPONENT ALL PRIMARY |
| Coil Form Type | HOLLOW SINGLE COMPONENT |
| Winding Function and Quantity | 1 PRIMARY SINGLE COMPONENT |
| Frequency Rating | 50.0 MEGAHERTZ NOMINAL SINGLE COMPONENT |
| Terminal Type and Quantity | 3 SOLDER STUD AND 1 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 |
|---|---|
| CN20184 | National Magnetics Group, Inc. Dba Ceramic Magnetics Div Ceramic Magnetics, Inc. (USA) |
| 278-0434-020 PRIMARY | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA) |
NSN 5950-01-178-3253 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 5950-01-178-3253 has 2 manufacturer part numbers on file: CN20184 (National Magnetics Group, Inc. Dba Ceramic Magnetics Div Ceramic Magnetics, Inc.), 278-0434-020 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems).
Key specifications for 278-0434-020: Overall Height: 0.500 INCHES NOMINAL IN; Inclosure Type: OPEN; Turn Quantity: 3 SINGLE COMPONENT ALL PRIMARY; Overall Length: 0.750 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.