The Transformer,radio Frequency, cataloged under National Stock Number 5950-01-104-7466, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Robert M. Hadley Company, Inc.. Government technical data includes 24 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 5950-01-104-7466 |
| Primary Part Number | 18074 |
| Item Name | Transformer,radio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Robert M. Hadley Company, Inc. |
| Status | ACTIVE |
| Mounting Facility Quantity | 1 SINGLE GROUP |
| Inclosure Type | FULLY INCLOSED |
| Body Outside Diameter | 1.250 INCHES MAXIMUM IN |
| Turn Quantity | 150 SINGLE COMPONENT FIRST PRIMARY |
| Turn Quantity | 21 SINGLE COMPONENT SECOND SECONDARY |
| Turn Quantity | 38 SINGLE COMPONENT FIRST SECONDARY |
| Turn Quantity | 38 SINGLE COMPONENT SECOND PRIMARY |
| Turn Quantity | 38 SINGLE COMPONENT THIRD SECONDARY |
| Mounting Method | THREADED HOLE(S) SINGLE GROUP |
| Winding Conductor Size | 0.00795 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SECOND PRIMARY IN |
| Winding Conductor Size | 0.00795 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SECOND SECONDARY IN |
| Winding Conductor Size | 0.00795 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT THIRD SECONDARY IN |
| Winding Conductor Size | 0.01126 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT FIRST PRIMARY IN |
| Winding Conductor Size | 0.02257 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT FIRST SECONDARY IN |
| Coil Form Type | SOLID SINGLE COMPONENT |
| Winding Function and Quantity | 2 PRIMARY AND 3 SECONDARY SINGLE COMPONENT |
| Nominal Thread Size | 0.112 INCHES SINGLE GROUP IN |
| Body Length | 0.600 INCHES MAXIMUM IN |
| Rating Method | WINDING TURNS SINGLE COMPONENT ALL PRIMARY |
| Rating Method | WINDING TURNS SINGLE COMPONENT ALL SECONDARY |
| Reliability Indicator | NOT ESTABLISHED |
| Thread Quantity Per Inch | 40 SINGLE GROUP |
| Terminal Type and Quantity | 14 WIRE LEAD |
| 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 |
|---|---|
| 18074 | Robert M. Hadley Company, Inc. (USA) |
| P4489 | Sigma Electronics, Inc. (USA) |
| 42778-21 | Coast/advanced Chip Magnetics, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 0172-3-1113-021 | 5/9 Secondary reference Ail Systems Inc Sub of Eaton Corp |
| 0172-3-1113-021 | 3/9 Design control — primary reference Usacecom Intelligence Electronic Warfare Sensors Directorate |
NSN 5950-01-104-7466 is a Transformer,radio Frequency, manufactured by Robert M. Hadley Company, Inc., classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-104-7466 has 3 manufacturer part numbers on file: 18074 (Robert M. Hadley Company, Inc.), P4489 (Sigma Electronics, Inc.), 42778-21 (Coast/advanced Chip Magnetics, Inc.).
4 possible matches (shared part number, not a government interchangeability claim): 4720-01-170-0752, 5340-01-381-1621, 7690-01-537-8158. Verify interchangeability with system specifications before substitution.
Key specifications for 18074: Mounting Facility Quantity: 1 SINGLE GROUP; Inclosure Type: FULLY INCLOSED; Body Outside Diameter: 1.250 INCHES MAXIMUM IN; Turn Quantity: 150 SINGLE COMPONENT FIRST PRIMARY. 24 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.