The Transformer,radio Frequency, cataloged under National Stock Number 5950-01-054-5609, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Raytheon Company Dba Raytheon Co. Government technical data includes 21 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5950-01-054-5609 |
| Primary Part Number | XRF 1660 |
| Item Name | Transformer,radio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Raytheon Company Dba Raytheon Co |
| Status | ACTIVE |
| Inclosure Type | FULLY INCLOSED |
| Turn Quantity | 1-1/4 SINGLE COMPONENT SINGLE PRIMARY OUTPUT |
| Turn Quantity | 4-1/2 SINGLE COMPONENT SINGLE PRIMARY INPUT |
| Mounting Method | TERMINAL SINGLE GROUP |
| Inductance Rating | 0.28 MICROHENRIES MINIMUM AND 0.40 MICROHENRIES MAXIMUM SINGLE COMPONENT SINGLE PRIMARY INPUT |
| Inductance Rating | 0.28 MICROHENRIES MINIMUM AND 0.40 MICROHENRIES MAXIMUM SINGLE COMPONENT SINGLE PRIMARY OUTPUT |
| Adjustment Device Drive Type | SLOTTED SCREW SINGLE COMPONENT |
| Body Width | 0.433 INCHES MINIMUM AND 0.443 INCHES MAXIMUM IN |
| Body Height | 0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN |
| Adjustment Method and Quantity | 1 ADJUSTABLE CORE SINGLE COMPONENT |
| 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 | HOLLOW SINGLE COMPONENT |
| Winding Function and Quantity | 1 PRIMARY, VARIABLE AUTOTRANSFORMER TYPE SINGLE COMPONENT |
| Features Provided | TINNED WIRE LEADS |
| Body Length | 0.433 INCHES MINIMUM AND 0.443 INCHES MAXIMUM IN |
| Rating Method | ELECTRICAL AND WINDING TURNS SINGLE COMPONENT SINGLE PRIMARY INPUT |
| Rating Method | ELECTRICAL AND WINDING TURNS SINGLE COMPONENT SINGLE PRIMARY OUTPUT |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 25.0 MEGAHERTZ NOMINAL SINGLE COMPONENT |
| Terminal Type and Quantity | 3 PIN |
| 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 |
|---|---|
| XRF 1660 PRIMARY | Raytheon Company Dba Raytheon Co (USA) |
| Reference | Meaning |
|---|---|
| 0N205426 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5950-01-054-5609 is a Transformer,radio Frequency, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-054-5609 has 1 manufacturer part number on file: XRF 1660 (Raytheon Company Dba Raytheon Co).
Key specifications for XRF 1660: Inclosure Type: FULLY INCLOSED; Turn Quantity: 1-1/4 SINGLE COMPONENT SINGLE PRIMARY OUTPUT; Turn Quantity: 4-1/2 SINGLE COMPONENT SINGLE PRIMARY INPUT; Mounting Method: TERMINAL SINGLE GROUP. 21 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.