The Transformer,radio Frequency, cataloged under National Stock Number 5950-00-677-1511, 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 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-00-677-1511 |
| Primary Part Number | 223B057-1-1 |
| Item Name | Transformer,radio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Westinghouse Electric Corp |
| Status | ACTIVE |
| Mounting Facility Quantity | 1 SINGLE GROUP |
| Inclosure Type | FULLY INCLOSED |
| Body Outside Diameter | 1.125 INCHES NOMINAL IN |
| Turn Quantity | 21 SINGLE COMPONENT ALL PRIMARY |
| Mounting Method | CORE AND THREADED STUD(S) SINGLE GROUP |
| Inductance Rating | 27.50 MICROHENRIES NOMINAL SINGLE COMPONENT ALL PRIMARY |
| Winding Conductor Size | 0.00198 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT ALL PRIMARY IN |
| Coil Form Type | SOLID SINGLE COMPONENT |
| Winding Function and Quantity | 4 PRIMARY SINGLE COMPONENT |
| Nominal Thread Size | 0.138 INCHES SINGLE GROUP IN |
| Body Length | 1.500 INCHES NOMINAL IN |
| Rating Method | ELECTRICAL AND WINDING TURNS SINGLE COMPONENT ALL PRIMARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 500.0 KILOHERTZ MAXIMUM SINGLE COMPONENT |
| Thread Quantity Per Inch | 32 SINGLE GROUP |
| Terminal Type and Quantity | 8 SOLDER STUD |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP |
| 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 |
|---|---|
| 223B057-1-1 | Westinghouse Electric Corp (USA) |
| 223B057-1-1 | Magnatronix Corporation (USA) |
| Reference | Meaning |
|---|---|
| 223B057-1-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5950-00-677-1511 is a Transformer,radio Frequency, manufactured by Westinghouse Electric Corp, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-677-1511 has 2 manufacturer part numbers on file: 223B057-1-1 (Westinghouse Electric Corp), 223B057-1-1 (Magnatronix Corporation).
Key specifications for 223B057-1-1: Mounting Facility Quantity: 1 SINGLE GROUP; Inclosure Type: FULLY INCLOSED; Body Outside Diameter: 1.125 INCHES NOMINAL IN; Turn Quantity: 21 SINGLE COMPONENT ALL PRIMARY. 17 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.