The Coil,radio Frequency, cataloged under National Stock Number 5950-00-268-8944, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Freed Transformer Co. Government technical data includes 19 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. 2 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 | 5950-00-268-8944 |
| Primary Part Number | 17890 |
| Item Name | Coil,radio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Freed Transformer Co |
| Status | ACTIVE |
| Mounting Facility Quantity | 4 SINGLE GROUP |
| Inclosure Type | FULLY INCLOSED |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 1.065 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Turn Quantity | 570 SINGLE COMPONENT SINGLE WINDING |
| Mounting Method | THREADED HOLE(S) SINGLE GROUP |
| Inductance Rating | 28.00 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING |
| Body Width | 1.875 INCHES NOMINAL IN |
| Body Height | 3.000 INCHES NOMINAL IN |
| Winding Conductor Size | 0.02010 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE WINDING IN |
| Coil Form Type | SOLID SINGLE COMPONENT |
| Nominal Thread Size | 0.138 INCHES SINGLE GROUP IN |
| Body Length | 3.625 INCHES NOMINAL IN |
| Rating Method | ELECTRICAL AND WINDING TURNS SINGLE COMPONENT SINGLE WINDING |
| DC Resistance Rating in Ohms | 2.000 SINGLE COMPONENT SINGLE WINDING |
| Reliability Indicator | NOT ESTABLISHED |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 1.229 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Thread Quantity Per Inch | 32 SINGLE GROUP |
| Terminal Type and Quantity | 2 SOLDER STUD |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 17890 PRIMARY | Freed Transformer Co (USA) |
NSN 5950-00-268-8944 is a Coil,radio Frequency, manufactured by Freed Transformer Co, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-268-8944 has 1 manufacturer part number on file: 17890 (Freed Transformer Co).
2 possible matches (shared part number, not a government interchangeability claim): 5950-00-716-3775, 5120-01-119-4173. Verify interchangeability with system specifications before substitution.
Key specifications for 17890: Mounting Facility Quantity: 4 SINGLE GROUP; Inclosure Type: FULLY INCLOSED; Center to Center Distance Between Mounting Facilities Parallel to Length: 1.065 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Turn Quantity: 570 SINGLE COMPONENT SINGLE WINDING. 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.