The Transformer,radio Frequency, cataloged under National Stock Number 5950-00-997-4064, 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 9 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. 2 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 | 5950-00-997-4064 |
| Primary Part Number | 20021-1 |
| Item Name | Transformer,radio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Drs Signal Solutions, Inc. |
| Status | ACTIVE |
| Inclosure Type | FULLY INCLOSED |
| Body Outside Diameter | 0.914 INCHES MAXIMUM IN |
| Mounting Method | TERMINAL SINGLE GROUP |
| Inductance Rating | 260.00 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Coil Form Type | HOLLOW SINGLE COMPONENT |
| Winding Function and Quantity | 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT |
| Body Length | 0.768 INCHES MAXIMUM IN |
| Reliability Indicator | NOT ESTABLISHED |
| Terminal Type and Quantity | 5 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 |
|---|---|
| 20021-1 PRIMARY | Drs Signal Solutions, Inc. (USA) |
NSN 5950-00-997-4064 is a Transformer,radio Frequency, manufactured by Drs Signal Solutions, Inc., classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-997-4064 has 1 manufacturer part number on file: 20021-1 (Drs Signal Solutions, Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 5930-01-509-2265, 1560-01-681-0333. Verify interchangeability with system specifications before substitution.
Key specifications for 20021-1: Inclosure Type: FULLY INCLOSED; Body Outside Diameter: 0.914 INCHES MAXIMUM IN; Mounting Method: TERMINAL SINGLE GROUP; Inductance Rating: 260.00 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE PRIMARY. 9 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.