PartsTable TECHNICAL DATA SHEET
NSN 5950-00-256-8939Government record, cited

Transformer, Current5950-00-256-8939

NSN 5950-00-256-8939 · NIIN 002568939 · Part number 390243-1
L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products · FSC 5950 — Coils and Transformers · FSG 59 — Electrical and Electronic Equipment Components · CAGE 00752
Government record, cited
NSN 5950-00-256-8939 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-256-8939. Manufacturer of record part number: 390243-1.
Also searched as  5950-00-256-8939 · 5950002568939 · NIIN 002568939 · 00-256-8939 · FSC 5950 Coils and Transformers · CAGE 00752 · 390243-1 · ST28639
Nearby stock numbers  ·
Features
  • Transformer,current — FSC 5950
  • Mounting Facility Quantity: 4 SINGLE GROUP
  • Inclosure Type: FULLY INCLOSED
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 1.781 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
  • Mounting Method: FLANGE AND SLOT SINGLE GROUP
  • Body Width: 2.188 INCHES NOMINAL IN
  • Body Height: 2.750 INCHES NOMINAL IN
Identification
  • NSN: 5950-00-256-8939
  • NIIN: 002568939
  • FSC: 5950 — Coils and Transformers
  • FSG: 59 — Electrical and Electronic Equipment Components
  • Primary part number: 390243-1
  • Manufacturer: L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products
General Description

The Transformer,current, cataloged under National Stock Number 5950-00-256-8939, 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 Antenna Products. Government technical data includes 17 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-256-8939
Primary Part Number390243-1
Item NameTransformer,current
FSC / FSG5950 / 59 — Coils and Transformers
ManufacturerL3harris Technologies, Inc. Dba Harris Corp Div Antenna Products
StatusACTIVE
Mounting Facility Quantity4 SINGLE GROUP
Inclosure TypeFULLY INCLOSED
Center to Center Distance Between Mounting Facilities Parallel to Length1.781 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Mounting MethodFLANGE AND SLOT SINGLE GROUP
Body Width2.188 INCHES NOMINAL IN
Body Height2.750 INCHES NOMINAL IN
Winding Function and Quantity1 SECONDARY SINGLE COMPONENT
Installation for Which DesignedINDOOR NONPORTABLE
Body Length2.375 INCHES NOMINAL IN
Winding Operating Current50.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Winding Operating Current3.0 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Reliability IndicatorNOT ESTABLISHED
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Width1.625 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Terminal Type and Quantity2 SOLDER STUD
Mounting Slot Width0.219 INCHES NOMINAL SINGLE GROUP IN
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL Q — CCL Item — Commerce Control List
HazardPossible hazard — SDS may be required (DLA HMIC P)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
390243-1 PRIMARY L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products (USA)
Reference documents
ReferenceMeaning
ST28639 5/9 Secondary reference
U.S. Government activity
390243-1 5/9 Secondary reference
U.S. Government activity
No interchangeability data on file.
Other items in FSC 5950 — Coils and Transformers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5950-00-000-0146
TRANSFORMER,POWER
5950-00-001-1372
COIL,RADIO FREQUENCY
5950-00-001-1386
COVER,ELECTRICAL TRANSFORMER
5950-00-001-1410
5950-00-001-1410 · Item name not on file
5950-00-001-1411
5950-00-001-1411 · Item name not on file
5950-00-001-1412
5950-00-001-1412 · Item name not on file
5950-00-001-1413
5950-00-001-1413 · Item name not on file
5950-00-001-1414
5950-00-001-1414 · Item name not on file

Frequently Asked Questions

What is NSN 5950-00-256-8939?

NSN 5950-00-256-8939 is a Transformer,current, manufactured by L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products, classified under FSC 5950, Coils and Transformers. Status: active.

What part numbers are listed for NSN 5950-00-256-8939?

NSN 5950-00-256-8939 has 1 manufacturer part number on file: 390243-1 (L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products).

What are the specifications of 390243-1?

Key specifications for 390243-1: Mounting Facility Quantity: 4 SINGLE GROUP; Inclosure Type: FULLY INCLOSED; Center to Center Distance Between Mounting Facilities Parallel to Length: 1.781 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT. 17 specifications are documented in the U.S. Government catalog.

Is NSN 5950-00-256-8939 hazardous material?

Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.

What is the DEMIL code for NSN 5950-00-256-8939?

NSN 5950-00-256-8939 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.

Sources

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.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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