The Coil,radio Frequency, cataloged under National Stock Number 5950-00-243-4248, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Raytheon Company Dba Raytheon Co. Government technical data includes 13 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 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-00-243-4248 |
| Primary Part Number | A1666-1 |
| Item Name | Coil,radio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Raytheon Company Dba Raytheon Co |
| Status | ACTIVE |
| Inclosure Type | FULLY INCLOSED |
| Overall Diameter | 0.500 INCHES NOMINAL IN |
| Mounting Method | TERMINAL SINGLE GROUP |
| Inductance Rating | 1.70 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING |
| Adjustment Device Drive Type | HEX SOCKET SINGLE COMPONENT |
| Adjustment Method and Quantity | 1 ADJUSTABLE CORE SINGLE COMPONENT |
| Coil Form Type | HOLLOW SINGLE COMPONENT |
| Body Length | 1.375 INCHES NOMINAL IN |
| Winding Operating Current | 125.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING |
| Rating Method | ELECTRICAL SINGLE COMPONENT SINGLE WINDING |
| DC Resistance Rating in Ohms | 40.000 SINGLE COMPONENT SINGLE WINDING |
| Reliability Indicator | NOT ESTABLISHED |
| Terminal Type and Quantity | 2 WIRE LEAD |
| 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 |
|---|---|
| A1666-1 PRIMARY | Raytheon Company Dba Raytheon Co (USA) |
NSN 5950-00-243-4248 is a Coil,radio Frequency, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-243-4248 has 1 manufacturer part number on file: A1666-1 (Raytheon Company Dba Raytheon Co).
1 possible match (shared part number, not a government interchangeability claim): 5910-01-381-8700. Verify interchangeability with system specifications before substitution.
Key specifications for A1666-1: Inclosure Type: FULLY INCLOSED; Overall Diameter: 0.500 INCHES NOMINAL IN; Mounting Method: TERMINAL SINGLE GROUP; Inductance Rating: 1.70 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING. 13 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.