PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12030Transformer,power

Magnespec Inc · NSN 5950-01-100-8559 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-100-8559 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-100-8559. Primary manufacturer part number: 12030.
Features
  • Transformer,power — FSC 5950
  • Winding Operating Voltage: 10.00 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY
  • Body Width: 3.500 INCHES MAXIMUM IN
  • Mounting Hole Diameter: 0.161 INCHES NOMINAL SINGLE GROUP IN
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 2.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Terminal Type and Quantity: 12 TAB, SOLDER LUG
  • Winding Operating Current: 1.0 AMPERES DC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
  • Body Height: 1.800 INCHES MAXIMUM IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-01-100-8559, 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 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 7 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
NSN5950-01-100-8559
Primary Part Number12030
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerMagnespec Inc
StatusACTIVE
Winding Operating Voltage10.00 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY
Body Width3.500 INCHES MAXIMUM IN
Mounting Hole Diameter0.161 INCHES NOMINAL SINGLE GROUP IN
Center to Center Distance Between Mounting Facilities Parallel to Width2.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Terminal Type and Quantity12 TAB, SOLDER LUG
Winding Operating Current1.0 AMPERES DC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Body Height1.800 INCHES MAXIMUM IN
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Length2.625 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Transformer Winding Connection TypeDELTA-DELTA
Winding Operating Voltage3.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Winding Function and Quantity1 PRIMARY AND 3 SECONDARY SINGLE COMPONENT
Winding Operating Voltage200.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Mounting Facility Quantity4 SINGLE GROUP
Winding Shielding MethodINTERNALLY SHIELDED SINGLE COMPONENT
Winding Operating Current0.05 AMPERES DC MAXIMUM SINGLE COMPONENT THIRD SECONDARY
Maximum Operating Temp125.0 CELSIUS DEGC
Input-Output Phase RelationshipTHREE PHASE TO THREE PHASE SINGLE COMPONENT
Mounting MethodUNTHREADED HOLE(S) SINGLE GROUP
Winding Operating Current9.0 AMPERES DC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
Winding Operating Voltage37.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Body Length3.810 INCHES MAXIMUM IN
Inclosure TypeFULLY INCLOSED
Reliability IndicatorNOT ESTABLISHED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6140-00-057-2554 INTERCHANGEABLE
Battery,storage
5945-00-080-4231816-E0V16 INTERCHANGEABLE
Relay,electromagnetic
Rockwell Automation, Inc. Dba Rockwell Automation
3040-00-087-6462233-0023-99 INTERCHANGEABLE
Ring,piston
Clinton Engines Corp
5136-00-203-6504 INTERCHANGEABLE
Tap,thread Cutting
5305-00-264-2685 INTERCHANGEABLE
Screw,shoulder
5136-00-276-1031313315 INTERCHANGEABLE
Tap,thread Cutting
Stanley Tools Div of Stanley Works
6625-00-333-924389Z1 INTERCHANGEABLE
Ammeter
Morris Material Handling, Inc.
8010-00-360-3369 INTERCHANGEABLE
Paint,zinc
5310-00-468-80601414-8 INTERCHANGEABLE
Nut,plain,knurled
L3 Technologies, Inc. Div L3 Keo
5940-00-502-7452 INTERCHANGEABLE
Terminal,lug
Cross-Reference Index
Part NumberManufacturer
12030 Magnespec Inc (USA)
14148 Owens-Corning Fiberglas Corp Supply Div (USA)
888252 Rantec Microwave Systems, Inc. Dba Rantec Microwave Systems Inc (USA)
12030 Bell Industries Inc J W Miller Magnetics Div (USA)
WE1656 Wems Electronics Transformer Group (USA)
888252 Litton Systems Inc. Div Navigation Systems Division (USA)
WE1656 Magnetika Inc (USA)
Related Parts
6140-00-057-2554INTERCHANGEABLE
BATTERY,STORAGE
5945-00-080-4231INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
816-E0V16
3040-00-087-6462INTERCHANGEABLE
RING,PISTON
233-0023-99
5136-00-203-6504INTERCHANGEABLE
TAP,THREAD CUTTING
5305-00-264-2685INTERCHANGEABLE
SCREW,SHOULDER
5136-00-276-1031INTERCHANGEABLE
TAP,THREAD CUTTING
313315
6625-00-333-9243INTERCHANGEABLE
AMMETER
89Z1
8010-00-360-3369INTERCHANGEABLE
PAINT,ZINC
5310-00-468-8060INTERCHANGEABLE
NUT,PLAIN,KNURLED
1414-8
5940-00-502-7452INTERCHANGEABLE
TERMINAL,LUG
6680-00-527-7049INTERCHANGEABLE
COUNTER,ELECTRICAL
12030
4820-00-839-8814INTERCHANGEABLE
VALVE ASSEMBLY
14148

Frequently Asked Questions

What is NSN 5950-01-100-8559?

NSN 5950-01-100-8559 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 5950-01-100-8559?

NSN 5950-01-100-8559 has 7 cross-referenced part numbers: 12030 (Magnespec Inc), 14148 (Owens-Corning Fiberglas Corp Supply Div), 888252 (Rantec Microwave Systems, Inc. Dba Rantec Microwave Systems Inc), 12030 (Bell Industries Inc J W Miller Magnetics Div), WE1656 (Wems Electronics Transformer Group) and 2 more.

What NSN replaces 5950-01-100-8559?

There are 12 known substitutes for 5950-01-100-8559: 6140-00-057-2554, 5945-00-080-4231, 3040-00-087-6462 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12030?

Key specifications for 12030: Winding Operating Voltage: 10.00 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY; Body Width: 3.500 INCHES MAXIMUM IN; Mounting Hole Diameter: 0.161 INCHES NOMINAL SINGLE GROUP IN; Center to Center Distance Between Mounting Facilities Parallel to Width: 2.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN. 24 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