PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

W5Transformer,power Autotransforme

Technipower Llc Dba Unipower · NSN 5950-00-572-5861 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-572-5861 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-572-5861. Primary manufacturer part number: W5.
Features
  • Transformer,power Autotransforme — FSC 5950
  • Mounting Method: THREADED HOLE(S) SINGLE GROUP
  • Thread Series Designator: UNF SINGLE GROUP
  • Body Length: 6.562 INCHES NOMINAL IN
  • Terminal Type and Quantity: 3 THREADED STUD
  • Reliability Indicator: NOT ESTABLISHED
  • Winding Operating Voltage: 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY INPUT
  • Frequency Rating: 60.0 HERTZ MAXIMUM 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 5950-00-572-5861, 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 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
NSN5950-00-572-5861
Primary Part NumberW5
Item NameTransformer,power Autotransforme
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerTechnipower Llc Dba Unipower
StatusACTIVE
Mounting MethodTHREADED HOLE(S) SINGLE GROUP
Thread Series DesignatorUNF SINGLE GROUP
Body Length6.562 INCHES NOMINAL IN
Terminal Type and Quantity3 THREADED STUD
Reliability IndicatorNOT ESTABLISHED
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY INPUT
Frequency Rating60.0 HERTZ MAXIMUM SINGLE COMPONENT
Winding Operating Current7.8 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY OUTPUT
Winding Power Rating900.0 VOLTS-AMPERES SINGLE COMPONENT SINGLE PRIMARY OUTPUT
Body Height6.594 INCHES NOMINAL IN
Winding Operating Voltage0.00 AC VOLTS MINIMUM AND 135.00 AC VOLTS MAXIMUM SINGLE COMPONENT SINGLE PRIMARY OUTPUT
Winding Function and Quantity1 PRIMARY, VARIABLE AUTOTRANSFORMER TYPE SINGLE COMPONENT
Thread Quantity Per Inch32 SINGLE GROUP
Mounting Facility Quantity3 SINGLE GROUP
Inclosure TypeFULLY INCLOSED
Body Width4.938 INCHES NOMINAL IN
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Nominal Thread Size0.190 INCHES SINGLE GROUP IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5310-00-186-096407062 INTERCHANGEABLE
Washer,key
Hoffman/new Yorker, Inc.
3120-00-288-1062ATF96S2601-395385ALT1PC5 INTERCHANGEABLE
Bearing,sleeve
Naval Ship Systems Command
3120-00-474-312926389 INTERCHANGEABLE
Bearing,sleeve
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
5920-00-508-5804W5 INTERCHANGEABLE
Fuse,plug
Cooper Bussmann, Llc Dba Cooper Industries
6350-00-559-2964RMS-8845 INTERCHANGEABLE
Horn,signal
Clark-Reliance Llc
5950-00-578-55928896600 INTERCHANGEABLE
Transformer,power Autotransforme
Us Army Aviation and Missile Command
5325-00-732-7799D4-W5 INTERCHANGEABLE
Stud Assembly,turnlock Fastener
Southco Inc
5950-00-754-59408096612 INTERCHANGEABLE
Transformer,power Autotransforme
Us Army Aviation and Missile Command
3950-00-807-9016W5 INTERCHANGEABLE
Winch,drum,hand Operated
Arcosa Marine Components, Llc
5950-01-020-55173030-5110 INTERCHANGEABLE
Transformer,power
Technipower Llc Dba Unipower
Cross-Reference Index
Part NumberManufacturer
W5 Genrad Inc (USA)
26389 Lockheed Martin Corp Lockheed Martin Mission Systems (USA)
W5 PRIMARY Technipower Llc Dba Unipower (USA)
Related Parts
5310-00-186-0964INTERCHANGEABLE
WASHER,KEY
07062
3120-00-288-1062INTERCHANGEABLE
BEARING,SLEEVE
ATF96S2601-395385ALT1PC5
3120-00-474-3129INTERCHANGEABLE
BEARING,SLEEVE
26389
5920-00-508-5804INTERCHANGEABLE
FUSE,PLUG
W5
6350-00-559-2964INTERCHANGEABLE
HORN,SIGNAL
RMS-8845
5950-00-578-5592INTERCHANGEABLE
TRANSFORMER,POWER AUTOTRANSFORME
8896600
5325-00-732-7799INTERCHANGEABLE
STUD ASSEMBLY,TURNLOCK FASTENER
D4-W5
5950-00-754-5940INTERCHANGEABLE
TRANSFORMER,POWER AUTOTRANSFORME
8096612
3950-00-807-9016INTERCHANGEABLE
WINCH,DRUM,HAND OPERATED
W5
5950-01-020-5517INTERCHANGEABLE
TRANSFORMER,POWER
3030-5110
5340-01-255-1657INTERCHANGEABLE
CAP-PLUG,PROTECTIVE,DUST AND MOI
W-5
5820-01-449-9558INTERCHANGEABLE
CONTROL HEAD
HLN6440A

Frequently Asked Questions

What is NSN 5950-00-572-5861?

NSN 5950-00-572-5861 is a Transformer,power Autotransforme, manufactured by Technipower Llc Dba Unipower, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-572-5861?

NSN 5950-00-572-5861 has 3 cross-referenced part numbers: W5 (Genrad Inc), 26389 (Lockheed Martin Corp Lockheed Martin Mission Systems), W5 (Technipower Llc Dba Unipower).

What NSN replaces 5950-00-572-5861?

There are 12 known substitutes for 5950-00-572-5861: 5310-00-186-0964, 3120-00-288-1062, 3120-00-474-3129 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of W5?

Key specifications for W5: Mounting Method: THREADED HOLE(S) SINGLE GROUP; Thread Series Designator: UNF SINGLE GROUP; Body Length: 6.562 INCHES NOMINAL IN; Terminal Type and Quantity: 3 THREADED STUD. 18 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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