PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

W2-1DTransformer,power Autotransforme

Technipower Llc Dba Unipower · NSN 5950-00-581-5189 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-581-5189 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-581-5189. Primary manufacturer part number: W2-1D.
Features
  • Transformer,power Autotransforme — FSC 5950
  • Body Height: 3.250 INCHES NOMINAL IN
  • Winding Operating Voltage: 0.00 AC VOLTS MINIMUM AND 135.00 AC VOLTS MAXIMUM SINGLE COMPONENT SINGLE PRIMARY OUTPUT
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 2.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Mounting Method: FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
  • Reliability Indicator: NOT ESTABLISHED
  • Body Width: 3.250 INCHES NOMINAL IN
  • Frequency Rating: 60.0 HERTZ NOMINAL SINGLE COMPONENT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power Autotransforme, cataloged under National Stock Number 5950-00-581-5189, 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 Technipower Llc Dba Unipower. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5950-00-581-5189
Primary Part NumberW2-1D
Item NameTransformer,power Autotransforme
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerTechnipower Llc Dba Unipower
StatusCANCELLED
Body Height3.250 INCHES NOMINAL IN
Winding Operating Voltage0.00 AC VOLTS MINIMUM AND 135.00 AC VOLTS MAXIMUM SINGLE COMPONENT SINGLE PRIMARY OUTPUT
Center to Center Distance Between Mounting Facilities Parallel to Length2.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Reliability IndicatorNOT ESTABLISHED
Body Width3.250 INCHES NOMINAL IN
Frequency Rating60.0 HERTZ NOMINAL SINGLE COMPONENT
Body Length3.938 INCHES NOMINAL IN
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY INPUT
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Width2.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Terminal Type and Quantity3 THREADED STUD
Winding Function and Quantity1 PRIMARY, VARIABLE AUTOTRANSFORMER TYPE SINGLE COMPONENT
Mounting Hole Diameter0.265 INCHES NOMINAL SINGLE GROUP IN
Mounting Facility Quantity4 SINGLE GROUP
Winding Operating Current3.1 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY OUTPUT
Inclosure TypePARTIALLY INCLOSED, HALF SHELL
Winding Power Rating360.0 VOLTS-AMPERES SINGLE COMPONENT SINGLE PRIMARY OUTPUT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4540-00-124-6966W2 INTERCHANGEABLE
Heater,controller
Ward Leonard Ct Llc
3110-00-156-1760 INTERCHANGEABLE
Bearing,ball,thrust
4320-00-218-4292BS4-1439PC16 INTERCHANGEABLE
Head,housing
Circor Naval Solutions Llc Dba Warren Pumps
5920-00-240-4112W2 INTERCHANGEABLE
Fuse,plug
Cooper Bussmann, Llc Dba Cooper Industries
3895-00-250-6054 INTERCHANGEABLE
Roller,towed,sheepsfoot
5905-00-284-2089 INTERCHANGEABLE
Resistor,variable,wire Wound,non
3020-00-294-8151 INTERCHANGEABLE
Gear,worm
2540-00-473-0353533220 INTERCHANGEABLE
Windshield Washer
Fwd Seagrave Holdings Lp
5325-00-599-9894W2 INTERCHANGEABLE
Stud Assembly,turnlock Fastener
Simmons Fastener Corp an Amfast Corp
5342-00-630-7107W2 INTERCHANGEABLE
Clamp
Monogram Aerospace Fasteners, Inc Dba Trimas Aerospace Div Monogram Aerospace Fasteners
Cross-Reference Index
Part NumberManufacturer
617315-2 Naval Air Warfare Center Aircraft Division Joint Base Jbmdl (USA)
W2 Genrad Inc (USA)
W2 Technipower Llc Dba Unipower (USA)
3010-5110 Technipower Llc Dba Unipower (USA)
3304226REVBPC9 Naval Ship Systems Command (USA)
747306PC1 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
1676731REVBPC9 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
W2-1D General Electric Company (USA)
627658 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
W2-1D General Electric Co Outdoor Breaker Business Section (USA)
200BS12 Genrad Inc (USA)
200BS12 Technipower Llc Dba Unipower (USA)
241 Staco Energy Products Co Dba Staco Energy Products Co (USA)
W2-1D PRIMARY Technipower Llc Dba Unipower (USA)
Related Parts
4540-00-124-6966INTERCHANGEABLE
HEATER,CONTROLLER
W2
3110-00-156-1760INTERCHANGEABLE
BEARING,BALL,THRUST
4320-00-218-4292INTERCHANGEABLE
HEAD,HOUSING
BS4-1439PC16
5920-00-240-4112INTERCHANGEABLE
FUSE,PLUG
W2
3895-00-250-6054INTERCHANGEABLE
ROLLER,TOWED,SHEEPSFOOT
5905-00-284-2089INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
3020-00-294-8151INTERCHANGEABLE
GEAR,WORM
2540-00-473-0353INTERCHANGEABLE
WINDSHIELD WASHER
533220
5325-00-599-9894INTERCHANGEABLE
STUD ASSEMBLY,TURNLOCK FASTENER
W2
5342-00-630-7107INTERCHANGEABLE
CLAMP
W2
5950-00-681-2253INTERCHANGEABLE
TRANSFORMER,POWER AUTOTRANSFORME
1844819PC1
3950-00-775-7609INTERCHANGEABLE
WINCH,DRUM,HAND OPERATED
W2

Frequently Asked Questions

What is NSN 5950-00-581-5189?

NSN 5950-00-581-5189 is a Transformer,power Autotransforme, manufactured by Technipower Llc Dba Unipower, classified under FSC 5950 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5950-00-581-5189?

NSN 5950-00-581-5189 has 14 cross-referenced part numbers: 617315-2 (Naval Air Warfare Center Aircraft Division Joint Base Jbmdl), W2 (Genrad Inc), W2 (Technipower Llc Dba Unipower), 3010-5110 (Technipower Llc Dba Unipower), 3304226REVBPC9 (Naval Ship Systems Command) and 9 more.

What NSN replaces 5950-00-581-5189?

There are 12 known substitutes for 5950-00-581-5189: 4540-00-124-6966, 3110-00-156-1760, 4320-00-218-4292 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of W2-1D?

Key specifications for W2-1D: Body Height: 3.250 INCHES NOMINAL IN; Winding Operating Voltage: 0.00 AC VOLTS MINIMUM AND 135.00 AC VOLTS MAXIMUM SINGLE COMPONENT SINGLE PRIMARY OUTPUT; Center to Center Distance Between Mounting Facilities Parallel to Length: 2.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Mounting Method: FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP. 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5950-00-581-5189 still in active supply?

NSN 5950-00-581-5189 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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