The Transformer,radio Frequency, cataloged under National Stock Number 5950-00-840-7130, 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 16 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. 5 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 | 5950-00-840-7130 |
| Primary Part Number | 20021-3 |
| Item Name | Transformer,radio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Drs Signal Solutions, Inc. |
| Status | ACTIVE |
| Transformer Function | INPUT |
| Inclosure Type | FULLY INCLOSED |
| Body Outside Diameter | 0.914 INCHES MAXIMUM IN |
| Turn Quantity | 260 SINGLE COMPONENT SINGLE PRIMARY |
| Turn Quantity | 260 SINGLE COMPONENT SINGLE SECONDARY |
| Mounting Method | TERMINAL SINGLE GROUP |
| Inductance Rating | 260.00 MILLIHENRIES MINIMUM SINGLE COMPONENT SINGLE PRIMARY |
| Winding Conductor Size | 0.00353 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE SECONDARY IN |
| Winding Conductor Size | 0.00353 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE PRIMARY IN |
| Coil Form Type | SOLID SINGLE COMPONENT |
| Winding Function and Quantity | 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT |
| Body Length | 0.768 INCHES MAXIMUM 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 | 5 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 |
|---|---|
| 20021-3 PRIMARY | Drs Signal Solutions, Inc. (USA) |
NSN 5950-00-840-7130 is a Transformer,radio Frequency, manufactured by Drs Signal Solutions, Inc., classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-840-7130 has 1 manufacturer part number on file: 20021-3 (Drs Signal Solutions, Inc.).
5 possible matches (shared part number, not a government interchangeability claim): 1240-00-908-8633, 5950-00-976-0141, 5999-01-216-2398. Verify interchangeability with system specifications before substitution.
Key specifications for 20021-3: Transformer Function: INPUT; Inclosure Type: FULLY INCLOSED; Body Outside Diameter: 0.914 INCHES MAXIMUM IN; Turn Quantity: 260 SINGLE COMPONENT SINGLE PRIMARY. 16 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.