The Coil,radio Frequency, cataloged under National Stock Number 5950-00-491-4397, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. Government technical data includes 19 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5950-00-491-4397 |
| Item Name | Coil,radio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Status | ACTIVE |
| Mounting Facility Quantity | 1 SINGLE GROUP |
| Inclosure Type | OPEN |
| Quality Factor | 60 MINIMUM SINGLE COMPONENT SINGLE WINDING |
| Body Outside Diameter | 0.438 INCHES NOMINAL IN |
| Mounting Method | CORE AND THREADED STUD(S) SINGLE GROUP |
| Inductance Rating | 2.90 MICROHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING |
| Adjustment Device Drive Type | SHAFT SINGLE COMPONENT |
| Adjustment Method and Quantity | 1 ADJUSTABLE CORE SINGLE COMPONENT |
| Coil Form Type | HOLLOW SINGLE COMPONENT |
| Nominal Thread Size | 0.112 INCHES SINGLE GROUP IN |
| Body Length | 0.781 INCHES NOMINAL IN |
| Winding Operating Current | 10.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING |
| Rating Method | ELECTRICAL SINGLE COMPONENT SINGLE WINDING |
| DC Resistance Rating in Ohms | 0.500 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 COLLAR/RING |
| 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 |
| Reference | Meaning |
|---|---|
| 2560954-2 | 7/2 Vendor item drawing reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| CDD3351-2 | 5/9 Secondary reference Calpa Products Corp |
| 10479-5 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5950-00-491-4397 is a Coil,radio Frequency, classified under FSC 5950, Coils and Transformers. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5826-00-566-6118. Verify interchangeability with system specifications before substitution.
Key specifications for 5950-00-491-4397: Mounting Facility Quantity: 1 SINGLE GROUP; Inclosure Type: OPEN; Quality Factor: 60 MINIMUM SINGLE COMPONENT SINGLE WINDING; Body Outside Diameter: 0.438 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.