The Coil,radio Frequency, cataloged under National Stock Number 5950-00-557-5428, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 5950-00-557-5428 |
| Primary Part Number | 1221512 |
| Item Name | Coil,radio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Inclosure Type | OPEN |
| Quality Factor | 80 MAXIMUM SINGLE COMPONENT SINGLE WINDING |
| Body Outside Diameter | 0.218 INCHES NOMINAL IN |
| Turn Quantity | 26 SINGLE COMPONENT SINGLE WINDING |
| Mounting Method | CLIP SINGLE GROUP |
| Inductance Rating | 3.75 MILLIHENRIES MAXIMUM SINGLE COMPONENT SINGLE WINDING |
| Adjustment Device Drive Type | SLOTTED SCREW SINGLE COMPONENT |
| Adjustment Method and Quantity | 1 ADJUSTABLE CAPACITOR SINGLE COMPONENT |
| Winding Conductor Size | 0.00631 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE WINDING IN |
| Coil Form Type | HOLLOW SINGLE COMPONENT |
| Body Length | 1.000 INCHES NOMINAL IN |
| Rating Method | ELECTRICAL AND WINDING TURNS SINGLE COMPONENT SINGLE WINDING |
| DC Resistance Rating in Ohms | 0.412 SINGLE COMPONENT SINGLE WINDING |
| Reliability Indicator | NOT ESTABLISHED |
| Core Construction | POWDERED SINGLE COMPONENT |
| Terminal Type and Quantity | 2 SOLDER STUD |
| 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 |
|---|---|
| 1221512 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 100-132 | 5/2 Secondary reference U.S. Government activity |
NSN 5950-00-557-5428 is a Coil,radio Frequency, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-557-5428 has 1 manufacturer part number on file: 1221512 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
4 possible matches (shared part number, not a government interchangeability claim): 3040-00-933-3012, 5340-01-010-3791, 5331-01-233-9980. Verify interchangeability with system specifications before substitution.
Key specifications for 1221512: Inclosure Type: OPEN; Quality Factor: 80 MAXIMUM SINGLE COMPONENT SINGLE WINDING; Body Outside Diameter: 0.218 INCHES NOMINAL IN; Turn Quantity: 26 SINGLE COMPONENT SINGLE WINDING. 16 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.