The Transformer,radio Frequency, cataloged under National Stock Number 5950-00-228-7170, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Viking Technologies, Ltd.. Government technical data includes 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5950-00-228-7170 |
| Primary Part Number | 13790 |
| Item Name | Transformer,radio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Viking Technologies, Ltd. |
| Status | ACTIVE |
| Mounting Facility Quantity | 2 SINGLE GROUP |
| Inclosure Type | OPEN |
| Body Outside Diameter | 1.250 INCHES NOMINAL IN |
| Turn Quantity | 605 SINGLE COMPONENT SINGLE PRIMARY |
| Mounting Method | THREADED STUD(S) SINGLE GROUP |
| Winding Conductor Size | 0.00397 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE PRIMARY IN |
| Coil Form Type | SOLID SINGLE COMPONENT |
| Winding Function and Quantity | 1 PRIMARY SINGLE COMPONENT |
| Distance Between Mounting Facility Centers | 0.875 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Nominal Thread Size | 0.138 INCHES SINGLE GROUP IN |
| Body Length | 2.188 INCHES NOMINAL IN |
| Rating Method | WINDING TURNS SINGLE COMPONENT SINGLE PRIMARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 164.0 KILOHERTZ MAXIMUM SINGLE COMPONENT |
| Thread Quantity Per Inch | 32 SINGLE GROUP |
| Terminal Type and Quantity | 3 TAB, SOLDER LUG |
| 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 |
|---|---|
| 13790 PRIMARY | Viking Technologies, Ltd. (USA) |
| Reference | Meaning |
|---|---|
| 13790 | 5/9 Secondary reference Dar Electronics Inc Dba National Radio Co |
NSN 5950-00-228-7170 is a Transformer,radio Frequency, manufactured by Viking Technologies, Ltd., classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-228-7170 has 1 manufacturer part number on file: 13790 (Viking Technologies, Ltd.).
2 possible matches (shared part number, not a government interchangeability claim): 6110-00-834-7801, 5975-01-695-7736. Verify interchangeability with system specifications before substitution.
Key specifications for 13790: Mounting Facility Quantity: 2 SINGLE GROUP; Inclosure Type: OPEN; Body Outside Diameter: 1.250 INCHES NOMINAL IN; Turn Quantity: 605 SINGLE COMPONENT SINGLE 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.