PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12186Transformer,power

Magnespec Inc · NSN 5950-01-007-6543 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-007-6543 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-007-6543. Primary manufacturer part number: 12186.
Features
  • Transformer,power — FSC 5950
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 1.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Winding Operating Voltage: 16.80 AC VOLTS NOMINAL SINGLE COMPONENT ALL SECONDARY
  • Mounting Facility Quantity: 4 SINGLE GROUP
  • Terminal Type and Quantity: 9 WIRE LEAD
  • Frequency Rating: 400.0 HERTZ NOMINAL SINGLE COMPONENT
  • Input-Output Phase Relationship: THREE PHASE TO THREE PHASE SINGLE COMPONENT
  • Winding Operating Current: 2.0 AMPERES DC MAXIMUM SINGLE COMPONENT ALL SECONDARY
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-01-007-6543, 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 17 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
NSN5950-01-007-6543
Primary Part Number12186
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerMagnespec Inc
StatusACTIVE
Center to Center Distance Between Mounting Facilities Parallel to Width1.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Voltage16.80 AC VOLTS NOMINAL SINGLE COMPONENT ALL SECONDARY
Mounting Facility Quantity4 SINGLE GROUP
Terminal Type and Quantity9 WIRE LEAD
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Input-Output Phase RelationshipTHREE PHASE TO THREE PHASE SINGLE COMPONENT
Winding Operating Current2.0 AMPERES DC MAXIMUM SINGLE COMPONENT ALL SECONDARY
Mounting Hole Diameter0.143 INCHES MINIMUM AND 0.160 INCHES MAXIMUM SINGLE GROUP IN
Inclosure TypeFULLY INCLOSED
Body Height0.900 INCHES MAXIMUM IN
Winding Function and Quantity1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Winding Operating Voltage200.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Body Width2.270 INCHES MAXIMUM IN
Center to Center Distance Between Mounting Facilities Parallel to Length1.812 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Reliability IndicatorNOT ESTABLISHED
Body Length2.720 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5133-00-189-9323 INTERCHANGEABLE
Drill,twist
5935-00-229-5657ES0678078-1 INTERCHANGEABLE
Socket,plug-in Electronic Compon
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5305-00-282-347512079 INTERCHANGEABLE
Screw,machine
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
5955-00-334-8823 INTERCHANGEABLE
Oscillator Subassembly
5915-00-375-22271218-6 INTERCHANGEABLE
Filter,band Pass
Dietz Design Inc
4730-00-595-025111711 INTERCHANGEABLE
Tee,pipe
Brinkley Technology Group Llc Dba Hercules Manufacturing
1680-00-773-628812079 INTERCHANGEABLE
Lever Assy,seat Eje
Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company
5998-00-936-6607 INTERCHANGEABLE
Printed Circuit Board
6625-00-976-9575 INTERCHANGEABLE
Switch,electronic
5910-00-988-4344CT28 INTERCHANGEABLE
Capacitor,fixed,ceramic Dielectr
Fluke Corp
Cross-Reference Index
Part NumberManufacturer
12186 PRIMARY Magnespec Inc (USA)
109008-001 Rantec Power Systems Inc. Dba Rantec Power Systems (USA)
109008-001 Rantec Microwave Systems, Inc. Dba Rantec Microwave Systems Inc (USA)
12079 Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems (USA)
WE1353 Wems Electronics Transformer Group (USA)
WE1353 Magnetika Inc (USA)
Related Parts
5133-00-189-9323INTERCHANGEABLE
DRILL,TWIST
5935-00-229-5657INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
ES0678078-1
5305-00-282-3475INTERCHANGEABLE
SCREW,MACHINE
12079
5955-00-334-8823INTERCHANGEABLE
OSCILLATOR SUBASSEMBLY
5915-00-375-2227INTERCHANGEABLE
FILTER,BAND PASS
1218-6
4730-00-595-0251INTERCHANGEABLE
TEE,PIPE
11711
1680-00-773-6288INTERCHANGEABLE
LEVER ASSY,SEAT EJE
12079
5998-00-936-6607INTERCHANGEABLE
PRINTED CIRCUIT BOARD
6625-00-976-9575INTERCHANGEABLE
SWITCH,ELECTRONIC
5910-00-988-4344INTERCHANGEABLE
CAPACITOR,FIXED,CERAMIC DIELECTR
CT28
4330-01-045-9251INTERCHANGEABLE
FILTER,FLUID
0044142
5999-01-150-4466INTERCHANGEABLE
CONTACT,ELECTRICAL

Frequently Asked Questions

What is NSN 5950-01-007-6543?

NSN 5950-01-007-6543 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 5950-01-007-6543?

NSN 5950-01-007-6543 has 6 cross-referenced part numbers: 12186 (Magnespec Inc), 109008-001 (Rantec Power Systems Inc. Dba Rantec Power Systems), 109008-001 (Rantec Microwave Systems, Inc. Dba Rantec Microwave Systems Inc), 12079 (Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems), WE1353 (Wems Electronics Transformer Group) and 1 more.

What NSN replaces 5950-01-007-6543?

There are 12 known substitutes for 5950-01-007-6543: 5133-00-189-9323, 5935-00-229-5657, 5305-00-282-3475 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12186?

Key specifications for 12186: Center to Center Distance Between Mounting Facilities Parallel to Width: 1.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Winding Operating Voltage: 16.80 AC VOLTS NOMINAL SINGLE COMPONENT ALL SECONDARY; Mounting Facility Quantity: 4 SINGLE GROUP; Terminal Type and Quantity: 9 WIRE LEAD. 17 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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