PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3D4886Transformer,power

Department of the Navy · NSN 5950-00-645-4794 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-645-4794 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-645-4794. Primary manufacturer part number: 3D4886.
Features
  • Transformer,power — FSC 5950
  • Winding Shielding Method: INTERNAL SHIELD GROUNDED TO INCLOSURE AND CORE SINGLE COMPONENT
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Body Width: 4.578 INCHES MAXIMUM IN
  • Mounting Hole Diameter: 0.234 INCHES NOMINAL SINGLE GROUP IN
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
  • Body Height: 5.328 INCHES MAXIMUM IN
  • Inclosure Type: FULLY INCLOSED
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-645-4794, 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 Department of the Navy. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-645-4794
Primary Part Number3D4886
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerDepartment of the Navy
StatusACTIVE
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO INCLOSURE AND CORE SINGLE COMPONENT
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Body Width4.578 INCHES MAXIMUM IN
Mounting Hole Diameter0.234 INCHES NOMINAL SINGLE GROUP IN
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Body Height5.328 INCHES MAXIMUM IN
Inclosure TypeFULLY INCLOSED
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Frequency Rating50.0 HERTZ NOMINAL OR 60.0 HERTZ NOMINAL SINGLE COMPONENT
Mounting Facility Quantity6 SINGLE GROUP
Winding Operating Voltage220.00 AC VOLTS NOMINAL AND 230.00 AC VOLTS NOMINAL AND 240.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Center to Center Distance Between Mounting Facilities Parallel to Length4.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Current10.0 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Body Length5.281 INCHES MAXIMUM IN
Maximum Operating Temp65.0 CELSIUS DEGC
Winding Operating Voltage2.50 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Terminal Type and Quantity3 STANDOFF, THREADED STUD AND 4 THREADED STUD
Reliability IndicatorNOT ESTABLISHED
Center to Center Distance Between Mounting Facilities Parallel to Width2.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3110-00-100-6149 INTERCHANGEABLE
Ball,bearing
5940-00-926-820612751B INTERCHANGEABLE
Terminal,feedthru
Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect
5330-01-141-394019753 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
Cross-Reference Index
Part NumberManufacturer
3D4886 Department of the Navy (USA)
672-0102-00 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
9753 Emerson Electric Co White-Rodgers Div (USA)
Related Parts
3110-00-100-6149INTERCHANGEABLE
BALL,BEARING
5940-00-926-8206INTERCHANGEABLE
TERMINAL,FEEDTHRU
12751B
5330-01-141-3940INTERCHANGEABLE
SEAL,PLAIN ENCASED
19753

Frequently Asked Questions

What is NSN 5950-00-645-4794?

NSN 5950-00-645-4794 is a Transformer,power, manufactured by Department of the Navy, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-645-4794?

NSN 5950-00-645-4794 has 3 cross-referenced part numbers: 3D4886 (Department of the Navy), 672-0102-00 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), 9753 (Emerson Electric Co White-Rodgers Div).

What NSN replaces 5950-00-645-4794?

There are 3 known substitutes for 5950-00-645-4794: 3110-00-100-6149, 5940-00-926-8206, 5330-01-141-3940. Verify interchangeability with system specifications before substitution.

What are the specifications of 3D4886?

Key specifications for 3D4886: Winding Shielding Method: INTERNAL SHIELD GROUNDED TO INCLOSURE AND CORE SINGLE COMPONENT; Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT; Body Width: 4.578 INCHES MAXIMUM IN; Mounting Hole Diameter: 0.234 INCHES NOMINAL SINGLE GROUP IN. 20 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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