The Transformer,radio Frequency, cataloged under National Stock Number 5950-00-509-9948, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Westinghouse Electric Corp. Government technical data includes 13 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-00-509-9948 |
| Primary Part Number | 220B279G1 |
| Item Name | Transformer,radio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Westinghouse Electric Corp |
| Status | ACTIVE |
| Inclosure Type | OPEN |
| Body Outside Diameter | 0.625 INCHES NOMINAL IN |
| Turn Quantity | 18 SINGLE COMPONENT ALL PRIMARY |
| Mounting Method | TERMINAL SINGLE GROUP |
| Inductance Rating | 1.20 MILLIHENRIES NOMINAL SINGLE COMPONENT ALL PRIMARY |
| Winding Conductor Size | 0.04030 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE PRIMARY IN |
| Coil Form Type | SOLID SINGLE COMPONENT |
| Winding Function and Quantity | 2 PRIMARY SINGLE COMPONENT |
| Body Length | 2.125 INCHES NOMINAL IN |
| Rating Method | ELECTRICAL AND WINDING TURNS SINGLE COMPONENT ALL PRIMARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 400.0 MEGAHERTZ NOMINAL SINGLE COMPONENT |
| Terminal Type and Quantity | 4 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 |
|---|---|
| 220B279G1 PRIMARY | Westinghouse Electric Corp (USA) |
NSN 5950-00-509-9948 is a Transformer,radio Frequency, manufactured by Westinghouse Electric Corp, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-509-9948 has 1 manufacturer part number on file: 220B279G1 (Westinghouse Electric Corp).
Key specifications for 220B279G1: Inclosure Type: OPEN; Body Outside Diameter: 0.625 INCHES NOMINAL IN; Turn Quantity: 18 SINGLE COMPONENT ALL PRIMARY; Mounting Method: TERMINAL SINGLE GROUP. 13 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.