The Transformer,current, cataloged under National Stock Number 5950-01-103-4386, 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. Dba Spd Electrical Systems, Inc.. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5950-01-103-4386 |
| Primary Part Number | 33-48948-B03PIECE169E |
| Item Name | Transformer,current |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. |
| Status | ACTIVE |
| Mounting Facility Quantity | 4 SINGLE GROUP |
| Inclosure Type | FULLY INCLOSED |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 4.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Input-Output Phase Relationship | SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT |
| Mounting Method | UNTHREADED HOLE(S) SINGLE GROUP |
| Body Width | 5.000 INCHES NOMINAL IN |
| Body Height | 6.375 INCHES NOMINAL IN |
| Mounting Hole Diameter | 0.375 INCHES NOMINAL SINGLE GROUP IN |
| Winding Function and Quantity | 1 SECONDARY SINGLE COMPONENT |
| Body Length | 5.875 INCHES NOMINAL IN |
| Winding Operating Current | 10.0 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 50.0 HERTZ MINIMUM AND 400.0 HERTZ MAXIMUM SINGLE COMPONENT |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 3.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Terminal Type and Quantity | 6 THREADED STUD |
| 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 |
|---|---|
| 33-48948-B03PIECE169E | L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 70813 | 3/9 Design control — primary reference Square D Co Electromagnetic Industries Div |
NSN 5950-01-103-4386 is a Transformer,current, manufactured by L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc., classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-103-4386 has 1 manufacturer part number on file: 33-48948-B03PIECE169E (L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 5895-01-358-6897, 3040-01-517-9309. Verify interchangeability with system specifications before substitution.
Key specifications for 33-48948-B03PIECE169E: Overall Height: 6.937 INCHES NOMINAL IN; Mounting Facility Quantity: 4 SINGLE GROUP; Inclosure Type: FULLY INCLOSED; Center to Center Distance Between Mounting Facilities Parallel to Length: 4.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN. 15 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.