The Coil,radio Frequency, cataloged under National Stock Number 5950-00-226-4158, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Albert Frei & Sons, Inc. Dba Afs. Government technical data includes 19 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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 | 5950-00-226-4158 |
| Primary Part Number | 18-482 |
| Item Name | Coil,radio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Albert Frei & Sons, Inc. Dba Afs |
| Status | ACTIVE |
| Mounting Facility Quantity | 1 SINGLE GROUP |
| Inclosure Type | OPEN |
| Quality Factor | 90 MINIMUM SINGLE COMPONENT SINGLE WINDING |
| Overall Diameter | 0.215 INCHES NOMINAL IN |
| Turn Quantity | 10-1/2 SINGLE COMPONENT SINGLE WINDING |
| Mounting Method | CORE AND THREADED HOLE(S) SINGLE GROUP |
| Adjustment Device Drive Type | SLOTTED SCREW SINGLE COMPONENT |
| Adjustment Method and Quantity | 1 ADJUSTABLE CORE SINGLE COMPONENT |
| Winding Conductor Size | 0.02010 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE WINDING IN |
| Coil Form Type | HOLLOW SINGLE COMPONENT |
| Nominal Thread Size | 0.112 INCHES SINGLE GROUP IN |
| Maximum Operating Temp | 85.0 CELSIUS DEGC |
| Body Length | 0.625 INCHES NOMINAL IN |
| Rating Method | WINDING TURNS AND ELECTRICAL SINGLE COMPONENT SINGLE WINDING |
| Reliability Indicator | NOT ESTABLISHED |
| Core Construction | POWDERED SINGLE COMPONENT |
| Thread Quantity Per Inch | 40 SINGLE GROUP |
| Terminal Type and Quantity | 2 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 |
|---|---|
| 18-482 | Albert Frei & Sons, Inc. Dba Afs (USA) |
| Reference | Meaning |
|---|---|
| 242-0376-00 | 3/9 Design control — primary reference Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| C781 | 5/9 Secondary reference U.S. Government activity |
NSN 5950-00-226-4158 is a Coil,radio Frequency, manufactured by Albert Frei & Sons, Inc. Dba Afs, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-226-4158 has 1 manufacturer part number on file: 18-482 (Albert Frei & Sons, Inc. Dba Afs).
5 possible matches (shared part number, not a government interchangeability claim): 3120-00-662-8312, 6140-01-112-3978, 1730-01-147-1825. Verify interchangeability with system specifications before substitution.
Key specifications for 18-482: Mounting Facility Quantity: 1 SINGLE GROUP; Inclosure Type: OPEN; Quality Factor: 90 MINIMUM SINGLE COMPONENT SINGLE WINDING; Overall Diameter: 0.215 INCHES NOMINAL IN. 19 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.