The Transformer,radio Frequency, cataloged under National Stock Number 5950-01-209-3649, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Vanguard Electronics, Llc. Government technical data includes 10 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 | 5950-01-209-3649 |
| Primary Part Number | 22491 |
| Item Name | Transformer,radio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Vanguard Electronics, Llc |
| Status | ACTIVE |
| Inclosure Type | FULLY INCLOSED |
| Overall Diameter | 0.375 INCHES NOMINAL IN |
| Turn Quantity | 20 SINGLE COMPONENT SINGLE PRIMARY |
| Turn Quantity | 10 SINGLE COMPONENT SINGLE SECONDARY |
| Mounting Method | PLUG-IN SINGLE GROUP |
| Winding Conductor Size | 0.00631 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT ALL WINDING IN |
| Winding Function and Quantity | 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT |
| Rating Method | WINDING TURNS SINGLE COMPONENT ALL WINDING |
| Reliability Indicator | NOT ESTABLISHED |
| Terminal Type and Quantity | 4 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 |
|---|---|
| 22491 PRIMARY | Vanguard Electronics, Llc (USA) |
NSN 5950-01-209-3649 is a Transformer,radio Frequency, manufactured by Vanguard Electronics, Llc, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-209-3649 has 1 manufacturer part number on file: 22491 (Vanguard Electronics, Llc).
2 possible matches (shared part number, not a government interchangeability claim): 5970-01-320-4749, 5970-01-597-8316. Verify interchangeability with system specifications before substitution.
Key specifications for 22491: Inclosure Type: FULLY INCLOSED; Overall Diameter: 0.375 INCHES NOMINAL IN; Turn Quantity: 20 SINGLE COMPONENT SINGLE PRIMARY; Turn Quantity: 10 SINGLE COMPONENT SINGLE SECONDARY. 10 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.