PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

15540Transformer,power

Robert M. Hadley Company, Inc. · NSN 5950-00-056-3369 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-056-3369 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-056-3369. Primary manufacturer part number: 15540.
Features
  • Transformer,power — FSC 5950
  • Body Height: 2.625 INCHES MAXIMUM IN
  • Terminal Type and Quantity: 5 TAB, SOLDER LUG
  • Winding Operating Voltage: 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 2.380 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Frequency Rating: 400.0 HERTZ NOMINAL SINGLE COMPONENT
  • Winding Operating Voltage: 52.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY 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 5950-00-056-3369, 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 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 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
NSN5950-00-056-3369
Primary Part Number15540
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerRobert M. Hadley Company, Inc.
StatusACTIVE
Body Height2.625 INCHES MAXIMUM IN
Terminal Type and Quantity5 TAB, SOLDER LUG
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Center to Center Distance Between Mounting Facilities Parallel to Length2.380 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Winding Operating Voltage52.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Center to Center Distance Between Mounting Facilities Parallel to Width1.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Mounting Hole Diameter0.188 INCHES NOMINAL SINGLE GROUP IN
Winding Power Rating300.0 VOLTS-AMPERES SINGLE COMPONENT SINGLE SECONDARY
Body Width3.060 INCHES MAXIMUM IN
Mounting Facility Quantity4 SINGLE GROUP
Winding Operating Current5.8 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Winding Shielding MethodEXTERNAL INCLOSURE SINGLE COMPONENT
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Body Length2.625 INCHES MAXIMUM IN
Reliability IndicatorNOT ESTABLISHED
Inclosure TypeFULLY INCLOSED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5950-00-010-3005137812-01 INTERCHANGEABLE
Transformer,power
Ge Aviation Systems Llc
3895-00-164-264215540 INTERCHANGEABLE
Scraper,front Roll
Komatsu America Corporation
5940-00-171-015612-360 INTERCHANGEABLE
Terminal Board
Stancil Corp
5133-00-227-9652 INTERCHANGEABLE
Drill,twist
5935-00-242-77939064 INTERCHANGEABLE
Socket,plug-in Electronic Compon
Eby Group, Llc, the Dba Eby Company Div Eby Company
5950-00-249-257412360 INTERCHANGEABLE
Coil,radio Frequency
Viking Technologies, Ltd.
5305-00-250-561312360 INTERCHANGEABLE
Screw,machine
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
5330-00-455-0443 INTERCHANGEABLE
Seal,plain Encased
3040-00-512-92237974962 INTERCHANGEABLE
Shaft,straight
U S Army Tank Automotive Command Amsta-Im-Mm
9540-00-528-8654 INTERCHANGEABLE
Beam,structural
Cross-Reference Index
Part NumberManufacturer
15540 Robert M. Hadley Company, Inc. (USA)
3162389 Berkshire Transformer (USA)
12360 Transformer Engineers Co a Div of Standard Industries Inc (USA)
3162389 Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (USA)
73226 Standard Industries (USA)
3162389 Allied-Signal Inc Dba Allied-Signal Aerospace Co Electrodynamics Div (USA)
Related Parts
5950-00-010-3005INTERCHANGEABLE
TRANSFORMER,POWER
137812-01
3895-00-164-2642INTERCHANGEABLE
SCRAPER,FRONT ROLL
15540
5940-00-171-0156INTERCHANGEABLE
TERMINAL BOARD
12-360
5133-00-227-9652INTERCHANGEABLE
DRILL,TWIST
5935-00-242-7793INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
9064
5950-00-249-2574INTERCHANGEABLE
COIL,RADIO FREQUENCY
12360
5305-00-250-5613INTERCHANGEABLE
SCREW,MACHINE
12360
5330-00-455-0443INTERCHANGEABLE
SEAL,PLAIN ENCASED
3040-00-512-9223INTERCHANGEABLE
SHAFT,STRAIGHT
7974962
9540-00-528-8654INTERCHANGEABLE
BEAM,STRUCTURAL
6105-00-548-1578INTERCHANGEABLE
MOTOR,DIRECT CURRENT
4140-00-773-3291INTERCHANGEABLE
IMPELLER,FAN,CENTRIFUGAL
00462-12360

Frequently Asked Questions

What is NSN 5950-00-056-3369?

NSN 5950-00-056-3369 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 5950-00-056-3369?

NSN 5950-00-056-3369 has 6 cross-referenced part numbers: 15540 (Robert M. Hadley Company, Inc.), 3162389 (Berkshire Transformer), 12360 (Transformer Engineers Co a Div of Standard Industries Inc), 3162389 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)), 73226 (Standard Industries) and 1 more.

What NSN replaces 5950-00-056-3369?

There are 12 known substitutes for 5950-00-056-3369: 5950-00-010-3005, 3895-00-164-2642, 5940-00-171-0156 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 15540?

Key specifications for 15540: Body Height: 2.625 INCHES MAXIMUM IN; Terminal Type and Quantity: 5 TAB, SOLDER LUG; Winding Operating Voltage: 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY; Center to Center Distance Between Mounting Facilities Parallel to Length: 2.380 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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