The Coil,radio Frequency, cataloged under National Stock Number 5950-00-138-1235, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Coast/advanced Chip Magnetics, Inc.. Government technical data includes 21 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5950-00-138-1235 |
| Primary Part Number | 40969 |
| Item Name | Coil,radio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Coast/advanced Chip Magnetics, Inc. |
| Status | ACTIVE |
| Mounting Facility Quantity | 1 SINGLE GROUP |
| Inclosure Type | FULLY INCLOSED |
| Quality Factor | 50 MINIMUM AND 90 MAXIMUM SINGLE COMPONENT SINGLE WINDING |
| Overall Diameter | 0.437 INCHES NOMINAL IN |
| Precious Material | GOLD |
| Turn Quantity | 37 SINGLE COMPONENT SINGLE WINDING |
| Mounting Method | CORE AND THREADED STUD(S) SINGLE GROUP |
| Inductance Rating | 7.80 MICROHENRIES MINIMUM AND 16.00 MICROHENRIES MAXIMUM SINGLE COMPONENT SINGLE WINDING |
| Adjustment Device Drive Type | SHAFT SINGLE COMPONENT |
| Adjustment Method and Quantity | 1 ADJUSTABLE CORE SINGLE COMPONENT |
| Winding Conductor Size | 0.00198 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE WINDING IN |
| Coil Form Type | HOLLOW SINGLE COMPONENT |
| Nominal Thread Size | 0.250 INCHES SINGLE GROUP IN |
| Winding Operating Current | 50.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING |
| Rating Method | WINDING TURNS AND ELECTRICAL SINGLE COMPONENT SINGLE WINDING |
| DC Resistance Rating in Ohms | 1.200 SINGLE COMPONENT SINGLE WINDING |
| Reliability Indicator | NOT ESTABLISHED |
| Precious Material and Location | TERMINALS GOLD |
| Core Construction | POWDERED SINGLE COMPONENT |
| Terminal Type and Quantity | 2 PIN |
| Thread Series Designator | UNF 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 |
|---|---|
| 40969 | Coast/advanced Chip Magnetics, Inc. (USA) |
| VI-2399-2 | Hytronics Corp. (USA) |
| CS7311 | Coil Specialty Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| CDD4029-5 | 5/9 Secondary reference Interconnection Products Inc |
| SM-B-684601-2 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5950-00-138-1235 is a Coil,radio Frequency, manufactured by Coast/advanced Chip Magnetics, Inc., classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-138-1235 has 3 manufacturer part numbers on file: 40969 (Coast/advanced Chip Magnetics, Inc.), VI-2399-2 (Hytronics Corp.), CS7311 (Coil Specialty Company, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 1560-01-233-1554. Verify interchangeability with system specifications before substitution.
Key specifications for 40969: Mounting Facility Quantity: 1 SINGLE GROUP; Inclosure Type: FULLY INCLOSED; Quality Factor: 50 MINIMUM AND 90 MAXIMUM SINGLE COMPONENT SINGLE WINDING; Overall Diameter: 0.437 INCHES NOMINAL IN. 21 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.