PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

137246Transformer,power

Xerox Corp Xerox Documentation and Software Services · NSN 5950-00-971-0657 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-971-0657 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-971-0657. Primary manufacturer part number: 137246.
Features
  • Transformer,power — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
  • Terminal Type and Quantity: 21 TAB, SOLDER LUG AND 11 EYELET
  • Body Width: 6.000 INCHES NOMINAL IN
  • Winding Operating Voltage: 74.00 AC VOLTS NOMINAL SINGLE COMPONENT FOURTH SECONDARY
  • Frequency Rating: 60.0 HERTZ NOMINAL SINGLE COMPONENT
  • 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 5950-00-971-0657, 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 Xerox Corp Xerox Documentation and Software Services. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-971-0657
Primary Part Number137246
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerXerox Corp Xerox Documentation and Software Services
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Terminal Type and Quantity21 TAB, SOLDER LUG AND 11 EYELET
Body Width6.000 INCHES NOMINAL IN
Winding Operating Voltage74.00 AC VOLTS NOMINAL SINGLE COMPONENT FOURTH SECONDARY
Frequency Rating60.0 HERTZ NOMINAL SINGLE COMPONENT
Inclosure TypeFULLY INCLOSED
Winding Operating Voltage28.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Winding Shielding MethodINTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT
Body Length7.625 INCHES NOMINAL IN
Winding Operating Voltage118.80 AC VOLTS MINIMUM AND 121.20 AC VOLTS MAXIMUM SINGLE COMPONENT ALL PRIMARY
Winding Operating Voltage18.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Center to Center Distance Between Mounting Facilities Parallel to Length5.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Center to Center Distance Between Mounting Facilities Parallel to Width4.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Nominal Thread Size0.190 INCHES SINGLE GROUP IN
Winding Function and Quantity2 PRIMARY AND 9 SECONDARY SINGLE COMPONENT
Mounting MethodTHREADED HOLE(S) SINGLE GROUP
Body Height6.250 INCHES NOMINAL IN
Winding Operating Voltage30.00 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY
Mounting Facility Quantity4 SINGLE GROUP
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3110-00-100-0774160418 INTERCHANGEABLE
Cone and Rollers,tapered Roller
Acf Industries Inc
3030-01-557-0479307-4643 INTERCHANGEABLE
Belt,v
Caterpillar Inc Div Caterpillar Defense
Cross-Reference Index
Part NumberManufacturer
137246 Xerox Corp Xerox Documentation and Software Services (USA)
Related Parts
3110-00-100-0774INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
160418
3030-01-557-0479INTERCHANGEABLE
BELT,V
307-4643

Frequently Asked Questions

What is NSN 5950-00-971-0657?

NSN 5950-00-971-0657 is a Transformer,power, manufactured by Xerox Corp Xerox Documentation and Software Services, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-971-0657?

NSN 5950-00-971-0657 has 1 cross-referenced part number: 137246 (Xerox Corp Xerox Documentation and Software Services).

What NSN replaces 5950-00-971-0657?

There are 2 known substitutes for 5950-00-971-0657: 3110-00-100-0774, 3030-01-557-0479. Verify interchangeability with system specifications before substitution.

What are the specifications of 137246?

Key specifications for 137246: Reliability Indicator: NOT ESTABLISHED; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT; Terminal Type and Quantity: 21 TAB, SOLDER LUG AND 11 EYELET; Body Width: 6.000 INCHES NOMINAL IN. 22 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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