The Transformer,current, cataloged under National Stock Number 5950-01-103-1838, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is L3harris Maritime Power & Energy Solutions, Inc. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-01-103-1838 |
| Primary Part Number | 18B1949-3 |
| Item Name | Transformer,current |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | L3harris Maritime Power & Energy Solutions, Inc |
| Status | ACTIVE |
| Inclosure Type | OPEN |
| Overall Diameter | 3.750 INCHES MAXIMUM IN |
| Input-Output Phase Relationship | SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT |
| Mounting Method | TERMINAL SINGLE GROUP |
| Winding Function and Quantity | 1 PRIMARY SINGLE COMPONENT |
| Winding Shielding Method | CORE GROUNDED SINGLE COMPONENT |
| Winding Operating Current | 5.0 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 50.0 HERTZ MINIMUM AND 440.0 HERTZ MAXIMUM SINGLE COMPONENT |
| Winding Operating Voltage | 500.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Terminal Type and Quantity | 2 TAB, SOLDER LUG |
| 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 |
|---|---|
| 18B1949-3 PRIMARY | L3harris Maritime Power & Energy Solutions, Inc (USA) |
NSN 5950-01-103-1838 is a Transformer,current, manufactured by L3harris Maritime Power & Energy Solutions, Inc, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-103-1838 has 1 manufacturer part number on file: 18B1949-3 (L3harris Maritime Power & Energy Solutions, Inc).
Key specifications for 18B1949-3: Inclosure Type: OPEN; Overall Diameter: 3.750 INCHES MAXIMUM IN; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT; Mounting Method: TERMINAL SINGLE GROUP. 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.