PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

400333Transformer,power

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5950-00-519-3646 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-519-3646 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-519-3646. Primary manufacturer part number: 400333.
Features
  • Transformer,power — FSC 5950
  • Mounting Facility Quantity: 4 SINGLE GROUP
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Body Width: 3.375 INCHES NOMINAL IN
  • Body Length: 3.938 INCHES NOMINAL IN
  • Thread Series Designator: UNF SINGLE GROUP
  • Winding Operating Voltage: 159.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
  • Mounting Method: THREADED STUD(S) SINGLE GROUP
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-519-3646, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-519-3646
Primary Part Number400333
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Mounting Facility Quantity4 SINGLE GROUP
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Body Width3.375 INCHES NOMINAL IN
Body Length3.938 INCHES NOMINAL IN
Thread Series DesignatorUNF SINGLE GROUP
Winding Operating Voltage159.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Reliability IndicatorNOT ESTABLISHED
Thread Quantity Per Inch32 SINGLE GROUP
Frequency Rating57.0 HERTZ MINIMUM AND 63.0 HERTZ MAXIMUM SINGLE COMPONENT
Winding Operating Current40.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Winding Operating Voltage1.39 AC KILOVOLTS NOMINAL AND 2.78 AC KILOVOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Nominal Thread Size0.190 INCHES SINGLE GROUP IN
Center to Center Distance Between Mounting Facilities Parallel to Width2.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Terminal Type and Quantity6 TAB, SOLDER LUG
Inclosure TypeHERMETICALLY SEALED
Center to Center Distance Between Mounting Facilities Parallel to Length3.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Body Height4.312 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5120-00-288-6481P-101 INTERCHANGEABLE
Punch,drive Pin
Ngk Metals Corporation Dba N G K Berylco
6750-00-401-987484120 INTERCHANGEABLE
Mount,film Slide,photographic
Rexham Graphics Inc
4310-00-509-1715201D INTERCHANGEABLE
Drain
Anderson Copper and Brass Co Div of the Marmon Group Inc
5330-00-833-3496P101 INTERCHANGEABLE
Packing,preformed
Metrex Valve Corp. Dba Metrex Valve Corp
5910-00-934-0726 INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
5310-00-993-5797P101 INTERCHANGEABLE
Washer,flat
Pressure Products Industries Inc
4730-01-382-8696 INTERCHANGEABLE
Plug,pipe
6230-01-529-6198P101 INTERCHANGEABLE
Flashlight
Surefire, Llc Dba Surefire Llc
Cross-Reference Index
Part NumberManufacturer
400333 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
P101 PRIMARY Freed Transformer Co (USA)
Related Parts
5120-00-288-6481INTERCHANGEABLE
PUNCH,DRIVE PIN
P-101
6750-00-401-9874INTERCHANGEABLE
MOUNT,FILM SLIDE,PHOTOGRAPHIC
84120
4310-00-509-1715INTERCHANGEABLE
DRAIN
201D
5330-00-833-3496INTERCHANGEABLE
PACKING,PREFORMED
P101
5910-00-934-0726INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
5310-00-993-5797INTERCHANGEABLE
WASHER,FLAT
P101
4730-01-382-8696INTERCHANGEABLE
PLUG,PIPE
6230-01-529-6198INTERCHANGEABLE
FLASHLIGHT
P101

Frequently Asked Questions

What is NSN 5950-00-519-3646?

NSN 5950-00-519-3646 is a Transformer,power, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-519-3646?

NSN 5950-00-519-3646 has 2 cross-referenced part numbers: 400333 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), P101 (Freed Transformer Co).

What NSN replaces 5950-00-519-3646?

There are 8 known substitutes for 5950-00-519-3646: 5120-00-288-6481, 6750-00-401-9874, 4310-00-509-1715 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 400333?

Key specifications for 400333: Mounting Facility Quantity: 4 SINGLE GROUP; Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT; Body Width: 3.375 INCHES NOMINAL IN; Body Length: 3.938 INCHES NOMINAL IN. 19 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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