PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

774961Transformer,power

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5950-00-581-5561 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-581-5561 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-581-5561. Primary manufacturer part number: 774961.
Features
  • Transformer,power — FSC 5950
  • Winding Operating Voltage: 200.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
  • Mounting Method: THREADED HOLE(S) SINGLE GROUP
  • Winding Operating Voltage: 35.00 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY
  • Reliability Indicator: NOT ESTABLISHED
  • Body Length: 2.156 INCHES NOMINAL IN
  • Winding Operating Current: 2.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-581-5561, 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 24 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-581-5561
Primary Part Number774961
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Winding Operating Voltage200.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Mounting MethodTHREADED HOLE(S) SINGLE GROUP
Winding Operating Voltage35.00 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY
Reliability IndicatorNOT ESTABLISHED
Body Length2.156 INCHES NOMINAL IN
Winding Operating Current2.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Winding Function and Quantity1 PRIMARY AND 3 SECONDARY SINGLE COMPONENT
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Mounting Facility Quantity8 SINGLE GROUP
Winding Shielding MethodINTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT
Thread Quantity Per Inch32 SINGLE GROUP
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Winding Operating Voltage1.34 AC VOLTS NOMINAL AND 15.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Inclosure TypeHERMETICALLY SEALED
Terminal Type and Quantity12 STANDOFF, SOLDER LUG
Winding Operating Voltage100.00 AC VOLTS NOMINAL AND 130.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Center to Center Distance Between Mounting Facilities Parallel to Length1.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Width1.750 INCHES NOMINAL IN
Winding Operating Current30.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
Center to Center Distance Between Mounting Facilities Parallel to Width1.312 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Current5.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT THIRD SECONDARY
Body Height2.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
2825-00-218-60252845 INTERCHANGEABLE
Baffle,oil
Northrop Grumman Systems Corporation Div Marine Systems
2530-00-752-1146 INTERCHANGEABLE
Shoe W Lining Winch
6105-00-935-03763715-6A INTERCHANGEABLE
Motor,alternating Current
Western Sky Industries Inc Dba Electromech Techologies
5930-01-096-43502845 INTERCHANGEABLE
Push Button
Crown Audio, Inc. Dba Crown International
4730-01-109-17692845 INTERCHANGEABLE
Tee
Dover Corp Groen Div
5950-01-182-01892845 INTERCHANGEABLE
Transformer,power
Edko Electronics
5330-01-246-2562 INTERCHANGEABLE
Gasket
6150-01-272-80823082 INTERCHANGEABLE
Cable Assembly,power,electrical
Southwire Company Douglas Plant
5360-01-274-4663 INTERCHANGEABLE
Spring,helical,compression
5130-01-399-1140DW4514 INTERCHANGEABLE
Wheel,abrasive
Dewalt Industrial Tool Co
Cross-Reference Index
Part NumberManufacturer
774961 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
37156 Freed Transformer Co (USA)
2845 Precision Electronics, Inc (USA)
Related Parts
2825-00-218-6025INTERCHANGEABLE
BAFFLE,OIL
2845
2530-00-752-1146INTERCHANGEABLE
SHOE W LINING WINCH
6105-00-935-0376INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
3715-6A
5930-01-096-4350INTERCHANGEABLE
PUSH BUTTON
2845
4730-01-109-1769INTERCHANGEABLE
TEE
2845
5950-01-182-0189INTERCHANGEABLE
TRANSFORMER,POWER
2845
5330-01-246-2562INTERCHANGEABLE
GASKET
6150-01-272-8082INTERCHANGEABLE
CABLE ASSEMBLY,POWER,ELECTRICAL
3082
5360-01-274-4663INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
5130-01-399-1140INTERCHANGEABLE
WHEEL,ABRASIVE
DW4514
6540-01-549-9593INTERCHANGEABLE
CASE,PHOROPTER
RT-7685
6515-01-675-8520INTERCHANGEABLE
CANNULA,NASAL,OXYGEN
2845

Frequently Asked Questions

What is NSN 5950-00-581-5561?

NSN 5950-00-581-5561 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 5950-00-581-5561?

NSN 5950-00-581-5561 has 3 cross-referenced part numbers: 774961 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 37156 (Freed Transformer Co), 2845 (Precision Electronics, Inc).

What NSN replaces 5950-00-581-5561?

There are 12 known substitutes for 5950-00-581-5561: 2825-00-218-6025, 2530-00-752-1146, 6105-00-935-0376 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 774961?

Key specifications for 774961: Winding Operating Voltage: 200.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT; Mounting Method: THREADED HOLE(S) SINGLE GROUP; Winding Operating Voltage: 35.00 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY. 24 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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