PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

403591Transformer,power

Aimtron Systems, Llc · NSN 5950-01-004-5256 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-004-5256 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-004-5256. Primary manufacturer part number: 403591.
Features
  • Transformer,power — FSC 5950
  • Winding Operating Current: 2.37 AMPERES AC NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Terminal Type and Quantity: 24 SOLDER STUD
  • Winding Operating Voltage: 15.10 AC VOLTS NOMINAL SINGLE COMPONENT FOURTH SECONDARY
  • Mounting Method: FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
  • Winding Function and Quantity: 1 PRIMARY AND 7 SECONDARY SINGLE COMPONENT
  • Winding Operating Current: 2.0 AMPERES DC NOMINAL SINGLE COMPONENT THIRD SECONDARY
  • Winding Operating Voltage: 22.40 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-01-004-5256, 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 Aimtron Systems, Llc. Government technical data includes 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-004-5256
Primary Part Number403591
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerAimtron Systems, Llc
StatusACTIVE
Winding Operating Current2.37 AMPERES AC NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Terminal Type and Quantity24 SOLDER STUD
Winding Operating Voltage15.10 AC VOLTS NOMINAL SINGLE COMPONENT FOURTH SECONDARY
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Winding Function and Quantity1 PRIMARY AND 7 SECONDARY SINGLE COMPONENT
Winding Operating Current2.0 AMPERES DC NOMINAL SINGLE COMPONENT THIRD SECONDARY
Winding Operating Voltage22.40 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Winding Operating Current300.0 MILLIAMPERES DC NOMINAL SINGLE COMPONENT FIRST SECONDARY
Center to Center Distance Between Mounting Facilities Parallel to Length1.802 INCHES MINIMUM AND 1.822 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Length2.750 INCHES MAXIMUM IN
Winding Power Rating267.8 VOLTS-AMPERES SINGLE COMPONENT SINGLE PRIMARY
Winding Operating Voltage12.60 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Mounting Hole Diameter0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM SINGLE GROUP IN
Body Height1.560 INCHES MAXIMUM IN
Winding Operating Current240.0 MILLIAMPERES DC NOMINAL SINGLE COMPONENT SECOND SECONDARY
Winding Operating Voltage113.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Maximum Operating Temp130.0 CELSIUS DEGC
Body Width2.380 INCHES MAXIMUM IN
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Reliability IndicatorNOT ESTABLISHED
Winding Operating Current1.0 AMPERES DC NOMINAL SINGLE COMPONENT FOURTH SECONDARY
Inclosure TypeFULLY INCLOSED
Mounting Facility Quantity4 SINGLE GROUP
Winding Operating Voltage26.70 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Width1.740 INCHES MINIMUM AND 1.760 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5360-00-250-0120856270 INTERCHANGEABLE
Spring,helical,compression
Renk America Llc Div Renk America
2540-01-677-2410E2612 INTERCHANGEABLE
Chain Assembly,tire
Pewag Inc Div Corporate Hq
Cross-Reference Index
Part NumberManufacturer
403591 Cardion Inc (USA)
E2612 Edko Electronics (USA)
639101 Electronic Transformer Corp Div Electronic Transformer Corporation (USA)
403591 PRIMARY Aimtron Systems, Llc (USA)
Related Parts
5360-00-250-0120INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
856270
2540-01-677-2410INTERCHANGEABLE
CHAIN ASSEMBLY,TIRE
E2612

Frequently Asked Questions

What is NSN 5950-01-004-5256?

NSN 5950-01-004-5256 is a Transformer,power, manufactured by Aimtron Systems, Llc, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-004-5256?

NSN 5950-01-004-5256 has 4 cross-referenced part numbers: 403591 (Cardion Inc), E2612 (Edko Electronics), 639101 (Electronic Transformer Corp Div Electronic Transformer Corporation), 403591 (Aimtron Systems, Llc).

What NSN replaces 5950-01-004-5256?

There are 2 known substitutes for 5950-01-004-5256: 5360-00-250-0120, 2540-01-677-2410. Verify interchangeability with system specifications before substitution.

What are the specifications of 403591?

Key specifications for 403591: Winding Operating Current: 2.37 AMPERES AC NOMINAL SINGLE COMPONENT SINGLE PRIMARY; Terminal Type and Quantity: 24 SOLDER STUD; Winding Operating Voltage: 15.10 AC VOLTS NOMINAL SINGLE COMPONENT FOURTH SECONDARY; Mounting Method: FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP. 27 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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