The Transformer,radio Frequency, cataloged under National Stock Number 5950-00-189-3689, 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. Dba Harris Corporation. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-00-189-3689 |
| Primary Part Number | 2556L1 |
| Item Name | Transformer,radio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | L3harris Technologies, Inc. Dba Harris Corporation |
| Status | ACTIVE |
| Mounting Facility Quantity | 1 SINGLE GROUP |
| Inclosure Type | OPEN |
| Body Outside Diameter | 1.000 INCHES NOMINAL IN |
| Turn Quantity | 56 SINGLE COMPONENT SINGLE PRIMARY |
| Mounting Method | BRACKET(S) AND UNTHREADED HOLE(S) SINGLE GROUP |
| Winding Conductor Size | 0.01264 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE PRIMARY IN |
| Coil Form Type | SOLID SINGLE COMPONENT |
| Winding Function and Quantity | 1 PRIMARY SINGLE COMPONENT |
| Body Length | 1.750 INCHES NOMINAL IN |
| Reliability Indicator | NOT ESTABLISHED |
| Terminal Type and Quantity | 2 TAB, SOLDER LUG AND 1 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 |
|---|---|
| 2556L1 | L3harris Technologies, Inc. Dba Harris Corporation (USA) |
| Reference | Meaning |
|---|---|
| SCD2556-2 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5950-00-189-3689 is a Transformer,radio Frequency, manufactured by L3harris Technologies, Inc. Dba Harris Corporation, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-189-3689 has 1 manufacturer part number on file: 2556L1 (L3harris Technologies, Inc. Dba Harris Corporation).
Key specifications for 2556L1: Mounting Facility Quantity: 1 SINGLE GROUP; Inclosure Type: OPEN; Body Outside Diameter: 1.000 INCHES NOMINAL IN; Turn Quantity: 56 SINGLE COMPONENT SINGLE PRIMARY. 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.