The Transformer,radio Frequency, cataloged under National Stock Number 5950-00-020-6215, 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 14 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 5950-00-020-6215 |
| Primary Part Number | 278-0656-000 |
| 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 | FULLY INCLOSED |
| Mounting Method | TAB SINGLE GROUP |
| Adjustment Device Drive Type | SLOTTED SCREW SINGLE COMPONENT |
| Body Width | 0.531 INCHES NOMINAL IN |
| Body Height | 0.609 INCHES MAXIMUM IN |
| Adjustment Method and Quantity | 1 ADJUSTABLE CORE SINGLE COMPONENT |
| Coil Form Type | HOLLOW SINGLE COMPONENT |
| Winding Function and Quantity | 1 PRIMARY SINGLE COMPONENT |
| Winding Shielding Method | INTERNAL SHIELD GROUNDED TO INCLOSURE SINGLE COMPONENT |
| Body Length | 0.594 INCHES MAXIMUM IN |
| Reliability Indicator | NOT ESTABLISHED |
| Mounting Tab Width | 0.020 INCHES NOMINAL IN |
| Frequency Rating | 550.0 KILOHERTZ MAXIMUM SINGLE COMPONENT |
| Terminal Type and Quantity | 3 TAB, SOLDER LUG |
| 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 |
|---|---|
| 278-0656-000 PRIMARY | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA) |
| Reference | Meaning |
|---|---|
| 35-291 | 5/9 Secondary reference Vernitron Corp Aie Magnetics Div |
| X486-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5950-00-020-6215 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 5950-00-020-6215 has 1 manufacturer part number on file: 278-0656-000 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems).
4 possible matches (shared part number, not a government interchangeability claim): 2590-00-507-4760, 5305-00-851-8433, 4810-01-011-8300. Verify interchangeability with system specifications before substitution.
Key specifications for 278-0656-000: Inclosure Type: FULLY INCLOSED; Mounting Method: TAB SINGLE GROUP; Adjustment Device Drive Type: SLOTTED SCREW SINGLE COMPONENT; Body Width: 0.531 INCHES NOMINAL IN. 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.