The Transformer,radio Frequency, cataloged under National Stock Number 5950-01-183-7657, 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 Corp Div Harris Defense Communications. Government technical data includes 18 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5950-01-183-7657 |
| Primary Part Number | L-0253 |
| Item Name | Transformer,radio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications |
| Status | ACTIVE |
| Inclosure Type | OPEN |
| Body Outside Diameter | 0.408 INCHES NOMINAL IN |
| Turn Quantity | 1-1/8 SINGLE COMPONENT SINGLE PRIMARY OUTPUT |
| Turn Quantity | 3-1/2 SINGLE COMPONENT SINGLE PRIMARY INPUT |
| Mounting Method | TERMINAL SINGLE GROUP |
| Inductance Rating | 0.11 MICROHENRIES MINIMUM AND 0.15 MICROHENRIES MAXIMUM SINGLE COMPONENT SINGLE PRIMARY INPUT |
| Adjustment Device Drive Type | HEX SOCKET SINGLE COMPONENT |
| Adjustment Method and Quantity | 1 ADJUSTABLE CORE SINGLE COMPONENT |
| Winding Conductor Size | 0.02535 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE PRIMARY INPUT IN |
| Winding Conductor Size | 0.02535 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE PRIMARY OUTPUT IN |
| Coil Form Type | HOLLOW SINGLE COMPONENT |
| Winding Function and Quantity | 1 PRIMARY, VARIABLE AUTOTRANSFORMER TYPE SINGLE COMPONENT |
| Features Provided | RIGHT HAND WOUND COIL AND TINNED WIRE LEADS |
| Body Length | 0.710 INCHES NOMINAL IN |
| Rating Method | WINDING TURNS SINGLE COMPONENT SINGLE PRIMARY OUTPUT |
| Rating Method | WINDING TURNS SINGLE COMPONENT SINGLE PRIMARY INPUT |
| Reliability Indicator | NOT ESTABLISHED |
| Terminal Type and Quantity | 3 PIN |
| 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 |
|---|---|
| L-0253 PRIMARY | L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications (USA) |
| Reference | Meaning |
|---|---|
| L-0253 | 5/2 Secondary reference U.S. Government activity |
NSN 5950-01-183-7657 is a Transformer,radio Frequency, manufactured by L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-183-7657 has 1 manufacturer part number on file: L-0253 (L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications).
Key specifications for L-0253: Inclosure Type: OPEN; Body Outside Diameter: 0.408 INCHES NOMINAL IN; Turn Quantity: 1-1/8 SINGLE COMPONENT SINGLE PRIMARY OUTPUT; Turn Quantity: 3-1/2 SINGLE COMPONENT SINGLE PRIMARY INPUT. 18 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.