PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1931-125Transformer,power

Power Paragon, Inc. Dba Power Magnetics Div Power Magnetics · NSN 5950-00-768-9858 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-768-9858 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-768-9858. Primary manufacturer part number: 1931-125.
Features
  • Transformer,power — FSC 5950
  • Inclosure Type: FULLY INCLOSED
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 16.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Body Height: 18.500 INCHES NOMINAL IN
  • Body Width: 21.000 INCHES NOMINAL IN
  • Winding Operating Voltage: 1000.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Terminal Type and Quantity: 4 WIRE LEAD
  • Maximum Transformer Power Rating: 125.0 KILOVOLT-AMPERE SINGLE COMPONENT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-768-9858, 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 Power Paragon, Inc. Dba Power Magnetics Div Power Magnetics. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 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
NSN5950-00-768-9858
Primary Part Number1931-125
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerPower Paragon, Inc. Dba Power Magnetics Div Power Magnetics
StatusACTIVE
Inclosure TypeFULLY INCLOSED
Center to Center Distance Between Mounting Facilities Parallel to Length16.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Height18.500 INCHES NOMINAL IN
Body Width21.000 INCHES NOMINAL IN
Winding Operating Voltage1000.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Terminal Type and Quantity4 WIRE LEAD
Maximum Transformer Power Rating125.0 KILOVOLT-AMPERE SINGLE COMPONENT
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Mounting Facility Quantity4 SINGLE GROUP
Winding Operating Voltage450.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Center to Center Distance Between Mounting Facilities Parallel to Width16.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Mounting MethodUNTHREADED HOLE(S) SINGLE GROUP
Mounting Hole Diameter0.688 INCHES NOMINAL SINGLE GROUP IN
Body Length32.000 INCHES NOMINAL IN
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3460-00-043-1585 INTERCHANGEABLE
Arbor,hole Saw
3110-00-100-0495120800 INTERCHANGEABLE
Cup,tapered Roller Bearing
General Motors Llc Dba General Motors Llc
6130-00-188-3699 INTERCHANGEABLE
Rectifier,metallic
4730-00-202-6643 INTERCHANGEABLE
Clamp,hose
2530-00-270-3878220636N INTERCHANGEABLE
Dummy Coupling,automotive Air Br
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
5985-00-350-8239004624-002 INTERCHANGEABLE
Attenuator,fixed
Moog Inc Div Moog Inc., Space and Defense - Salt Lake City
5365-00-353-6610FXH-441 INTERCHANGEABLE
Spacer,sleeve
Prestolite Electric Inc
5950-00-603-698972-2208 INTERCHANGEABLE
Transformer,current
Department of Defense Project Manager-Mobile Electric Power
7910-00-632-9840110278 INTERCHANGEABLE
Cleaner,vacuum,pneumatic
Tiger-Vac Inc.
5975-00-661-1003 INTERCHANGEABLE
Coupling,electrical Conduit
Cross-Reference Index
Part NumberManufacturer
5520 Sherjor Inc (USA)
221-001-376 Jefferson Electric Div of Magnetek Inc (USA)
1931-125 PRIMARY Power Paragon, Inc. Dba Power Magnetics Div Power Magnetics (USA)
221-001-376 Sherjor Inc (USA)
221-001-376 Power Paragon, Inc. Dba Power Magnetics Div Power Magnetics (USA)
Related Parts
3460-00-043-1585INTERCHANGEABLE
ARBOR,HOLE SAW
3110-00-100-0495INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
120800
6130-00-188-3699INTERCHANGEABLE
RECTIFIER,METALLIC
4730-00-202-6643INTERCHANGEABLE
CLAMP,HOSE
2530-00-270-3878INTERCHANGEABLE
DUMMY COUPLING,AUTOMOTIVE AIR BR
220636N
5985-00-350-8239INTERCHANGEABLE
ATTENUATOR,FIXED
004624-002
5365-00-353-6610INTERCHANGEABLE
SPACER,SLEEVE
FXH-441
5950-00-603-6989INTERCHANGEABLE
TRANSFORMER,CURRENT
72-2208
7910-00-632-9840INTERCHANGEABLE
CLEANER,VACUUM,PNEUMATIC
110278
5975-00-661-1003INTERCHANGEABLE
COUPLING,ELECTRICAL CONDUIT
5935-00-845-1352INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
TRU-5520
2530-01-183-8999INTERCHANGEABLE
ROTOR ASSEMBLY,DISC BRAKE
BD60443

Frequently Asked Questions

What is NSN 5950-00-768-9858?

NSN 5950-00-768-9858 is a Transformer,power, manufactured by Power Paragon, Inc. Dba Power Magnetics Div Power Magnetics, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-768-9858?

NSN 5950-00-768-9858 has 5 cross-referenced part numbers: 5520 (Sherjor Inc), 221-001-376 (Jefferson Electric Div of Magnetek Inc), 1931-125 (Power Paragon, Inc. Dba Power Magnetics Div Power Magnetics), 221-001-376 (Sherjor Inc), 221-001-376 (Power Paragon, Inc. Dba Power Magnetics Div Power Magnetics).

What NSN replaces 5950-00-768-9858?

There are 12 known substitutes for 5950-00-768-9858: 3460-00-043-1585, 3110-00-100-0495, 6130-00-188-3699 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1931-125?

Key specifications for 1931-125: Inclosure Type: FULLY INCLOSED; Center to Center Distance Between Mounting Facilities Parallel to Length: 16.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Body Height: 18.500 INCHES NOMINAL IN; Body Width: 21.000 INCHES NOMINAL IN. 16 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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