PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A1-12493Transformer,power

Magnespec Inc · NSN 5950-01-007-1821 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-007-1821 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-007-1821. Primary manufacturer part number: A1-12493.
Features
  • Transformer,power — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 2.297 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Winding Operating Current: 2.4 AMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
  • Winding Function and Quantity: 1 PRIMARY AND 3 SECONDARY SINGLE COMPONENT
  • Thread Quantity Per Inch: 32 SINGLE GROUP
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
  • Winding Operating Current: 36.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT THIRD SECONDARY
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-01-007-1821, 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 Magnespec Inc. Government technical data includes 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 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
NSN5950-01-007-1821
Primary Part NumberA1-12493
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerMagnespec Inc
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Center to Center Distance Between Mounting Facilities Parallel to Length2.297 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Current2.4 AMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Winding Function and Quantity1 PRIMARY AND 3 SECONDARY SINGLE COMPONENT
Thread Quantity Per Inch32 SINGLE GROUP
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Winding Operating Current36.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT THIRD SECONDARY
Terminal Type and Quantity9 TURRET
Body Width2.500 INCHES MINIMUM AND 2.625 INCHES MAXIMUM IN
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Nominal Thread Size0.164 INCHES SINGLE GROUP IN
Winding Operating Voltage32.56 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Winding Operating Voltage199.50 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY
Mounting Facility Quantity4 SINGLE GROUP
Winding Operating Voltage10.50 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Winding Operating Current440.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
Body Height3.000 INCHES MINIMUM AND 3.188 INCHES MAXIMUM IN
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Frequency Rating50.0 HERTZ NOMINAL OR 60.0 HERTZ NOMINAL SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Width1.859 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Length2.937 INCHES MINIMUM AND 3.062 INCHES MAXIMUM IN
Inclosure TypeHERMETICALLY SEALED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
2825-00-446-92538169 INTERCHANGEABLE
Bushing with Key
Northrop Grumman Systems Corporation Div Marine Systems
4310-00-936-37608169 INTERCHANGEABLE
Ring Set,piston
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
5831-00-955-6804C23-8022 INTERCHANGEABLE
Spring,helical,spec
Andrea Systems Llc
5960-01-013-9344 INTERCHANGEABLE
Electron Tube
5330-01-051-3708498-1 INTERCHANGEABLE
Seal,nonmetallic Special Shaped
Kirkhill, Inc. Dba Ta Aerospace Co Div Kirkhill Inc, Sfs Division
Cross-Reference Index
Part NumberManufacturer
A1-12493 Mte Corp Milwaukee Transformer Co (USA)
8169 Smiths Interconnect Inc Div Smiths Interconnect Inc - Tampa (USA)
8169 Trak Microwave Corp (USA)
A1-12493 PRIMARY Magnespec Inc (USA)
BX-9489 Baltimore Transformer Co (USA)
Related Parts
2825-00-446-9253INTERCHANGEABLE
BUSHING WITH KEY
8169
4310-00-936-3760INTERCHANGEABLE
RING SET,PISTON
8169
5831-00-955-6804INTERCHANGEABLE
SPRING,HELICAL,SPEC
C23-8022
5960-01-013-9344INTERCHANGEABLE
ELECTRON TUBE
5330-01-051-3708INTERCHANGEABLE
SEAL,NONMETALLIC SPECIAL SHAPED
498-1

Frequently Asked Questions

What is NSN 5950-01-007-1821?

NSN 5950-01-007-1821 is a Transformer,power, manufactured by Magnespec Inc, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-007-1821?

NSN 5950-01-007-1821 has 5 cross-referenced part numbers: A1-12493 (Mte Corp Milwaukee Transformer Co), 8169 (Smiths Interconnect Inc Div Smiths Interconnect Inc - Tampa), 8169 (Trak Microwave Corp), A1-12493 (Magnespec Inc), BX-9489 (Baltimore Transformer Co).

What NSN replaces 5950-01-007-1821?

There are 5 known substitutes for 5950-01-007-1821: 2825-00-446-9253, 4310-00-936-3760, 5831-00-955-6804 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A1-12493?

Key specifications for A1-12493: Reliability Indicator: NOT ESTABLISHED; Center to Center Distance Between Mounting Facilities Parallel to Length: 2.297 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Winding Operating Current: 2.4 AMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY; Winding Function and Quantity: 1 PRIMARY AND 3 SECONDARY SINGLE COMPONENT. 23 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com