The Transformer,radio Frequency, cataloged under National Stock Number 5950-01-084-6642, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Drs Signal Solutions, Inc.. Government technical data includes 18 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 | 5950-01-084-6642 |
| Primary Part Number | 21278-17 |
| Item Name | Transformer,radio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Drs Signal Solutions, Inc. |
| Status | ACTIVE |
| Mounting Facility Quantity | 1 SINGLE GROUP |
| Inclosure Type | OPEN |
| Body Outside Diameter | 0.307 INCHES NOMINAL IN |
| Turn Quantity | 8 SINGLE COMPONENT SINGLE SECONDARY |
| Turn Quantity | 8 SINGLE COMPONENT SINGLE PRIMARY |
| Mounting Method | UNTHREADED HOLE(S) SINGLE GROUP |
| Inductance Rating | 0.35 MICROHENRIES NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Inductance Rating | 0.35 MICROHENRIES NOMINAL SINGLE COMPONENT SINGLE SECONDARY |
| Winding Conductor Size | 0.01264 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE SECONDARY IN |
| Winding Conductor Size | 0.01264 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE PRIMARY IN |
| Mounting Hole Diameter | 0.151 INCHES NOMINAL SINGLE GROUP IN |
| Coil Form Type | SOLID SINGLE COMPONENT |
| Winding Function and Quantity | 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT |
| Body Length | 0.128 INCHES NOMINAL IN |
| Rating Method | WINDING TURNS SINGLE COMPONENT SINGLE PRIMARY |
| Rating Method | WINDING TURNS SINGLE COMPONENT SINGLE SECONDARY |
| Reliability Indicator | NOT ESTABLISHED |
| 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 |
NSN 5950-01-084-6642 is a Transformer,radio Frequency, manufactured by Drs Signal Solutions, Inc., classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-084-6642 has 2 manufacturer part numbers on file: C17077 (Electronic Transformer Corp Div Electronic Transformer Corporation), 21278-17 (Drs Signal Solutions, Inc.).
Key specifications for 21278-17: Mounting Facility Quantity: 1 SINGLE GROUP; Inclosure Type: OPEN; Body Outside Diameter: 0.307 INCHES NOMINAL IN; Turn Quantity: 8 SINGLE COMPONENT SINGLE SECONDARY. 18 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.