The Coil,radio Frequency, cataloged under National Stock Number 5950-00-557-6661, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is L3harris Technologies, Inc Div Space & Airborne Systems. Government technical data includes 11 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 | 5950-00-557-6661 |
| Primary Part Number | 75806-4 |
| Item Name | Coil,radio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | L3harris Technologies, Inc Div Space & Airborne Systems |
| Status | ACTIVE |
| Inclosure Type | OPEN |
| Overall Diameter | 0.188 INCHES NOMINAL IN |
| Turn Quantity | 20 SINGLE COMPONENT SINGLE WINDING |
| Mounting Method | TERMINAL SINGLE GROUP |
| Inductance Rating | 0.60 MICROHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING |
| Winding Conductor Size | 0.01594 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE WINDING IN |
| Coil Form Type | SOLID SINGLE COMPONENT |
| Body Length | 0.500 INCHES NOMINAL IN |
| Rating Method | WINDING TURNS 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 |
|---|---|
| 75806-4 PRIMARY | L3harris Technologies, Inc Div Space & Airborne Systems (USA) |
NSN 5950-00-557-6661 is a Coil,radio Frequency, manufactured by L3harris Technologies, Inc Div Space & Airborne Systems, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-557-6661 has 1 manufacturer part number on file: 75806-4 (L3harris Technologies, Inc Div Space & Airborne Systems).
1 possible match (shared part number, not a government interchangeability claim): 4620-01-209-7549. Verify interchangeability with system specifications before substitution.
Key specifications for 75806-4: Inclosure Type: OPEN; Overall Diameter: 0.188 INCHES NOMINAL IN; Turn Quantity: 20 SINGLE COMPONENT SINGLE WINDING; Mounting Method: TERMINAL SINGLE GROUP. 11 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.