The Transformer,radio Frequency, cataloged under National Stock Number 5950-01-187-8567, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Bae Systems Space & Mission Systems Inc. Div Space & Mission Systems Inc.. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-01-187-8567 |
| Primary Part Number | 56638-1 |
| Item Name | Transformer,radio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Bae Systems Space & Mission Systems Inc. Div Space & Mission Systems Inc. |
| Status | ACTIVE |
| Inclosure Type | FULLY INCLOSED |
| Body Outside Diameter | 2.020 INCHES MAXIMUM IN |
| Turn Quantity | 260 SINGLE COMPONENT SINGLE PRIMARY |
| Turn Quantity | 32 SINGLE COMPONENT THIRD SECONDARY |
| Turn Quantity | 54 SINGLE COMPONENT FIRST SECONDARY |
| Turn Quantity | 88 SINGLE COMPONENT SECOND SECONDARY |
| Mounting Method | TERMINAL SINGLE GROUP |
| Winding Conductor Size | 0.02010 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE PRIMARY IN |
| Winding Conductor Size | 0.02010 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT FIRST SECONDARY IN |
| Winding Conductor Size | 0.02010 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT THIRD SECONDARY IN |
| Winding Conductor Size | 0.03196 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SECOND SECONDARY IN |
| Coil Form Type | SOLID SINGLE COMPONENT |
| Winding Function and Quantity | 1 PRIMARY AND 3 SECONDARY SINGLE COMPONENT |
| Body Length | 0.600 INCHES NOMINAL IN |
| Rating Method | WINDING TURNS SINGLE COMPONENT ALL SECONDARY |
| Rating Method | WINDING TURNS SINGLE COMPONENT SINGLE PRIMARY |
| Reliability Indicator | NOT ESTABLISHED |
| Terminal Type and Quantity | 12 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 |
|---|---|
| 56638-1 PRIMARY | Bae Systems Space & Mission Systems Inc. Div Space & Mission Systems Inc. (USA) |
NSN 5950-01-187-8567 is a Transformer,radio Frequency, manufactured by Bae Systems Space & Mission Systems Inc. Div Space & Mission Systems Inc., classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-187-8567 has 1 manufacturer part number on file: 56638-1 (Bae Systems Space & Mission Systems Inc. Div Space & Mission Systems Inc.).
Key specifications for 56638-1: Inclosure Type: FULLY INCLOSED; Body Outside Diameter: 2.020 INCHES MAXIMUM IN; Turn Quantity: 260 SINGLE COMPONENT SINGLE PRIMARY; Turn Quantity: 32 SINGLE COMPONENT THIRD SECONDARY. 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.