PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

19126Transformer,power

Freed Transformer Co · NSN 5950-00-645-0148 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-645-0148 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-645-0148. Primary manufacturer part number: 19126.
Features
  • Transformer,power — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 3.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Terminal Type and Quantity: 10 STANDOFF, SOLDER LUG
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 2.625 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Winding Operating Current: 1.5 AMPERES AC MAXIMUM SINGLE COMPONENT THIRD SECONDARY
  • Thread Series Designator: UNF SINGLE GROUP
  • Mounting Facility Quantity: 4 SINGLE GROUP
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-645-0148, 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 Freed Transformer Co. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-645-0148
Primary Part Number19126
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerFreed Transformer Co
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Center to Center Distance Between Mounting Facilities Parallel to Length3.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Terminal Type and Quantity10 STANDOFF, SOLDER LUG
Center to Center Distance Between Mounting Facilities Parallel to Width2.625 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Current1.5 AMPERES AC MAXIMUM SINGLE COMPONENT THIRD SECONDARY
Thread Series DesignatorUNF SINGLE GROUP
Mounting Facility Quantity4 SINGLE GROUP
Winding Operating Current2.5 AMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
Inclosure TypeHERMETICALLY SEALED
Winding Function and Quantity1 PRIMARY AND 3 SECONDARY SINGLE COMPONENT
Winding Operating Voltage6.30 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Winding Operating Voltage103.50 AC VOLTS NOMINAL AND 115.00 AC VOLTS NOMINAL AND 126.50 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Body Width3.500 INCHES NOMINAL IN
Nominal Thread Size0.190 INCHES SINGLE GROUP IN
Winding Operating Voltage6.30 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Body Length4.125 INCHES NOMINAL IN
Body Height4.500 INCHES NOMINAL IN
Frequency Rating47.0 HERTZ MINIMUM AND 440.0 HERTZ MAXIMUM SINGLE COMPONENT
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Winding Operating Voltage25.00 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Winding Operating Current8.0 AMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5310-00-213-036899119126 INTERCHANGEABLE
Nut,bushing
Alfa Laval Inc
3110-00-554-30905202-1B1 INTERCHANGEABLE
Bearing,ball,annular
Schatz Bearing Corporation Dba Schatz Bearing Corp
5850-00-783-990011065-19A2 INTERCHANGEABLE
Eye Shield Optical
Chief of Engineers Dept of Army
6550-01-360-5693R19126 INTERCHANGEABLE
Bacteria Culture Control Discs
Remel Inc.
2520-01-360-911919-126 INTERCHANGEABLE
Clutch Assembly,friction
Kut Kwick Corp
5305-01-383-884919126 INTERCHANGEABLE
Screw,machine
Naval Inventory Control Point Mechanicsburg
5120-01-430-7762 INTERCHANGEABLE
Socket Set,socket Wrench
Cross-Reference Index
Part NumberManufacturer
SN249B26 Mutron Corp (USA)
19126 PRIMARY Freed Transformer Co (USA)
Related Parts
5310-00-213-0368INTERCHANGEABLE
NUT,BUSHING
99119126
3110-00-554-3090INTERCHANGEABLE
BEARING,BALL,ANNULAR
5202-1B1
5850-00-783-9900INTERCHANGEABLE
EYE SHIELD OPTICAL
11065-19A2
6550-01-360-5693INTERCHANGEABLE
BACTERIA CULTURE CONTROL DISCS
R19126
2520-01-360-9119INTERCHANGEABLE
CLUTCH ASSEMBLY,FRICTION
19-126
5305-01-383-8849INTERCHANGEABLE
SCREW,MACHINE
19126
5120-01-430-7762INTERCHANGEABLE
SOCKET SET,SOCKET WRENCH

Frequently Asked Questions

What is NSN 5950-00-645-0148?

NSN 5950-00-645-0148 is a Transformer,power, manufactured by Freed Transformer Co, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-645-0148?

NSN 5950-00-645-0148 has 2 cross-referenced part numbers: SN249B26 (Mutron Corp), 19126 (Freed Transformer Co).

What NSN replaces 5950-00-645-0148?

There are 7 known substitutes for 5950-00-645-0148: 5310-00-213-0368, 3110-00-554-3090, 5850-00-783-9900 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 19126?

Key specifications for 19126: Reliability Indicator: NOT ESTABLISHED; Center to Center Distance Between Mounting Facilities Parallel to Length: 3.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Terminal Type and Quantity: 10 STANDOFF, SOLDER LUG; Center to Center Distance Between Mounting Facilities Parallel to Width: 2.625 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP 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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