PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

15259Transformer,power

Electronic Transformer Corp Div Electronic Transformer Corporation · NSN 5950-00-538-3660 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-538-3660 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-538-3660. Primary manufacturer part number: 15259.
Features
  • Transformer,power — FSC 5950
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
  • Winding Operating Current: 1.0 AMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
  • Winding Operating Voltage: 440.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Body Width: 3.750 INCHES NOMINAL IN
  • Winding Function and Quantity: 1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
  • Body Height: 6.562 INCHES NOMINAL IN
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 4.875 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-538-3660, 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 Electronic Transformer Corp Div Electronic Transformer Corporation. Government technical data includes 21 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-538-3660
Primary Part Number15259
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerElectronic Transformer Corp Div Electronic Transformer Corporation
StatusACTIVE
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Winding Operating Current1.0 AMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Winding Operating Voltage440.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Body Width3.750 INCHES NOMINAL IN
Winding Function and Quantity1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Body Height6.562 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Length4.875 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Input-Output Phase RelationshipTHREE PHASE TO THREE PHASE SINGLE COMPONENT
Inclosure TypeHERMETICALLY SEALED
Reliability IndicatorNOT ESTABLISHED
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Winding Operating Voltage260.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Winding Operating Current100.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
Center to Center Distance Between Mounting Facilities Parallel to Width3.375 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Mounting Facility Quantity4 SINGLE GROUP
Frequency Rating60.0 HERTZ NOMINAL SINGLE COMPONENT
Nominal Thread Size0.250 INCHES SINGLE GROUP IN
Thread Quantity Per Inch20 SINGLE GROUP
Terminal Type and Quantity9 TAB, SOLDER LUG
Body Length5.875 INCHES NOMINAL IN
Winding Operating Voltage165.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6760-00-138-8675 INTERCHANGEABLE
Filter,light,photographic Lens
5940-00-226-275615259 INTERCHANGEABLE
Terminal Board
Keystone Electronics Corp
9540-00-250-8927 INTERCHANGEABLE
Angle,structural
5120-00-555-2081HSF-25XH INTERCHANGEABLE
Face,hammer,inserted
Williams J H Industrial Products Inc
5136-00-580-7166 INTERCHANGEABLE
Tap,thread Cutting
5136-00-580-733154234 INTERCHANGEABLE
Tap,thread Cutting
Tapco Cutting Tools Inc
5320-00-982-3842NAS1525-09 INTERCHANGEABLE
Pin-Rivet
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5950-01-038-071413270 INTERCHANGEABLE
Reactor
Cal-Power Corporation
5950-01-176-496113270 INTERCHANGEABLE
Coil,electrical
Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems
6105-01-179-421515259 INTERCHANGEABLE
Rotor,motor
Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.
Cross-Reference Index
Part NumberManufacturer
15259 PRIMARY Electronic Transformer Corp Div Electronic Transformer Corporation (USA)
13270 Applied Devices Corp (USA)
Related Parts
6760-00-138-8675INTERCHANGEABLE
FILTER,LIGHT,PHOTOGRAPHIC LENS
5940-00-226-2756INTERCHANGEABLE
TERMINAL BOARD
15259
9540-00-250-8927INTERCHANGEABLE
ANGLE,STRUCTURAL
5120-00-555-2081INTERCHANGEABLE
FACE,HAMMER,INSERTED
HSF-25XH
5136-00-580-7166INTERCHANGEABLE
TAP,THREAD CUTTING
5136-00-580-7331INTERCHANGEABLE
TAP,THREAD CUTTING
54234
5320-00-982-3842INTERCHANGEABLE
PIN-RIVET
NAS1525-09
5950-01-038-0714INTERCHANGEABLE
REACTOR
13270
5950-01-176-4961INTERCHANGEABLE
COIL,ELECTRICAL
13270
6105-01-179-4215INTERCHANGEABLE
ROTOR,MOTOR
15259
4820-01-240-8475INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
15259
5360-01-241-0413INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
15259

Frequently Asked Questions

What is NSN 5950-00-538-3660?

NSN 5950-00-538-3660 is a Transformer,power, manufactured by Electronic Transformer Corp Div Electronic Transformer Corporation, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-538-3660?

NSN 5950-00-538-3660 has 2 cross-referenced part numbers: 15259 (Electronic Transformer Corp Div Electronic Transformer Corporation), 13270 (Applied Devices Corp).

What NSN replaces 5950-00-538-3660?

There are 12 known substitutes for 5950-00-538-3660: 6760-00-138-8675, 5940-00-226-2756, 9540-00-250-8927 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 15259?

Key specifications for 15259: Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP; Winding Operating Current: 1.0 AMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY; Winding Operating Voltage: 440.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY; Body Width: 3.750 INCHES NOMINAL IN. 21 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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