PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

15378Transformer,power

Robert M. Hadley Company, Inc. · NSN 5950-00-946-5660 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-946-5660 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-946-5660. Primary manufacturer part number: 15378.
Features
  • Transformer,power — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Mounting Facility Quantity: 2 SINGLE GROUP
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
  • Body Width: 1.000 INCHES NOMINAL IN
  • Winding Shielding Method: INTERNAL SHIELD GROUNDED TO CORE AND BROUGHT OUT TO TERMINAL SINGLE COMPONENT
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Winding Operating Voltage: 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-946-5660, 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 Robert M. Hadley Company, Inc.. Government technical data includes 18 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-946-5660
Primary Part Number15378
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerRobert M. Hadley Company, Inc.
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Mounting Facility Quantity2 SINGLE GROUP
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Body Width1.000 INCHES NOMINAL IN
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO CORE AND BROUGHT OUT TO TERMINAL SINGLE COMPONENT
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Body Height1.370 INCHES NOMINAL IN
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Nominal Thread Size0.112 INCHES SINGLE GROUP IN
Distance Between Mounting Facility Centers0.580 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Terminal Type and Quantity7 TAB, SOLDER LUG
Thread Quantity Per Inch40 SINGLE GROUP
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Inclosure TypeHERMETICALLY SEALED
Winding Operating Voltage21.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Body Length1.000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
4730-00-287-1649 INTERCHANGEABLE
Elbow,pipe
5310-00-466-43621A753 INTERCHANGEABLE
Nut,plain,cap
Napco International Llc Dba Napco International Inc
5330-00-883-4664 INTERCHANGEABLE
Packing,preformed
4320-01-179-440212803 INTERCHANGEABLE
Gear Rotor Set,rotary Pump
Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.
4140-01-333-320115378 INTERCHANGEABLE
Fan,ventilating
Lourdes Industries, Inc.
Cross-Reference Index
Part NumberManufacturer
15378 PRIMARY Robert M. Hadley Company, Inc. (USA)
905073-1 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
Related Parts
4730-00-287-1649INTERCHANGEABLE
ELBOW,PIPE
5310-00-466-4362INTERCHANGEABLE
NUT,PLAIN,CAP
1A753
5330-00-883-4664INTERCHANGEABLE
PACKING,PREFORMED
4320-01-179-4402INTERCHANGEABLE
GEAR ROTOR SET,ROTARY PUMP
12803
4140-01-333-3201INTERCHANGEABLE
FAN,VENTILATING
15378

Frequently Asked Questions

What is NSN 5950-00-946-5660?

NSN 5950-00-946-5660 is a Transformer,power, manufactured by Robert M. Hadley Company, Inc., classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-946-5660?

NSN 5950-00-946-5660 has 2 cross-referenced part numbers: 15378 (Robert M. Hadley Company, Inc.), 905073-1 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).

What NSN replaces 5950-00-946-5660?

There are 5 known substitutes for 5950-00-946-5660: 4730-00-287-1649, 5310-00-466-4362, 5330-00-883-4664 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 15378?

Key specifications for 15378: Reliability Indicator: NOT ESTABLISHED; Mounting Facility Quantity: 2 SINGLE GROUP; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP; Body Width: 1.000 INCHES NOMINAL IN. 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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