PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1609MODW2Transformer,current

Square D Co Electromagnetic Industries Div · NSN 5950-01-181-6403 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-181-6403 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-181-6403. Primary manufacturer part number: 1609MODW2.
Features
  • Transformer,current — FSC 5950
  • Body Length: 1.310 INCHES NOMINAL IN
  • Mounting Method: UNTHREADED HOLE(S) SINGLE GROUP
  • Mounting Facility Quantity: 4 SINGLE GROUP
  • Body Outside Diameter: 6.750 INCHES NOMINAL IN
  • Winding Operating Current: 5.0 AMPERES AC NOMINAL SINGLE COMPONENT SINGLE SECONDARY
  • Mounting Hole Diameter: 0.380 INCHES NOMINAL SINGLE GROUP IN
  • Terminal Type and Quantity: 2 TAB, SOLDER LUG
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,current, cataloged under National Stock Number 5950-01-181-6403, is classified within Federal Supply Class 5950 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Square D Co Electromagnetic Industries Div. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-181-6403
Primary Part Number1609MODW2
Item NameTransformer,current
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerSquare D Co Electromagnetic Industries Div
StatusACTIVE
Body Length1.310 INCHES NOMINAL IN
Mounting MethodUNTHREADED HOLE(S) SINGLE GROUP
Mounting Facility Quantity4 SINGLE GROUP
Body Outside Diameter6.750 INCHES NOMINAL IN
Winding Operating Current5.0 AMPERES AC NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Mounting Hole Diameter0.380 INCHES NOMINAL SINGLE GROUP IN
Terminal Type and Quantity2 TAB, SOLDER LUG
Frequency Rating50.0 HERTZ MINIMUM AND 400.0 HERTZ MAXIMUM SINGLE COMPONENT
Reliability IndicatorNOT ESTABLISHED
Inclosure TypeFULLY INCLOSED
Maximum Transformer Power Rating25.0 VOLT-AMPERE SINGLE COMPONENT
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Winding Operating Current800.0 AMPERES AC NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Mounting Bolt Circle Diameter7.660 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Overall Diameter8.560 INCHES NOMINAL IN
Winding Function and Quantity1 SECONDARY SINGLE COMPONENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5950-01-165-2768L03323 INTERCHANGEABLE
Transformer,current
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
Cross-Reference Index
Part NumberManufacturer
1609MODW2 Square D Co Electromagnetic Industries Div (USA)
W2-801 Square D Co Electromagnetic Industries Div (USA)
804371 PIECE 171 L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. (USA)
Related Parts
5950-01-165-2768INTERCHANGEABLE
TRANSFORMER,CURRENT
L03323

Frequently Asked Questions

What is NSN 5950-01-181-6403?

NSN 5950-01-181-6403 is a Transformer,current, manufactured by Square D Co Electromagnetic Industries Div, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-181-6403?

NSN 5950-01-181-6403 has 3 cross-referenced part numbers: 1609MODW2 (Square D Co Electromagnetic Industries Div), W2-801 (Square D Co Electromagnetic Industries Div), 804371 PIECE 171 (L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.).

What NSN replaces 5950-01-181-6403?

There is 1 known substitute for 5950-01-181-6403: 5950-01-165-2768. Verify interchangeability with system specifications before substitution.

What are the specifications of 1609MODW2?

Key specifications for 1609MODW2: Body Length: 1.310 INCHES NOMINAL IN; Mounting Method: UNTHREADED HOLE(S) SINGLE GROUP; Mounting Facility Quantity: 4 SINGLE GROUP; Body Outside Diameter: 6.750 INCHES NOMINAL IN. 17 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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