PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

121451Transformer,power

Engineered Magnetics, Inc. Dba Engineered Magnetics · NSN 5950-01-080-2134 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-080-2134 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-080-2134. Primary manufacturer part number: 121451.
Features
  • Transformer,power — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Winding Operating Voltage: 5.78 AC VOLTS NOMINAL AND 8.06 AC VOLTS NOMINAL AND 10.45 AC VOLTS NOMINAL AND 14.20 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
  • Transformer Winding Connection Type: DELTA-WYE
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 1.875 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Input-Output Phase Relationship: THREE PHASE TO SIX PHASE SINGLE COMPONENT
  • Body Width: 1.250 INCHES NOMINAL IN
  • Mounting Facility Quantity: 4 SINGLE GROUP
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-01-080-2134, 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 Engineered Magnetics, Inc. Dba Engineered Magnetics. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-080-2134
Primary Part Number121451
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerEngineered Magnetics, Inc. Dba Engineered Magnetics
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Winding Operating Voltage5.78 AC VOLTS NOMINAL AND 8.06 AC VOLTS NOMINAL AND 10.45 AC VOLTS NOMINAL AND 14.20 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Transformer Winding Connection TypeDELTA-WYE
Center to Center Distance Between Mounting Facilities Parallel to Length1.875 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Input-Output Phase RelationshipTHREE PHASE TO SIX PHASE SINGLE COMPONENT
Body Width1.250 INCHES NOMINAL IN
Mounting Facility Quantity4 SINGLE GROUP
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Width0.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Length2.500 INCHES NOMINAL IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Winding Operating Current2.0 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Nominal Thread Size0.112 INCHES SINGLE GROUP IN
Body Height2.200 INCHES NOMINAL IN
Winding Operating Voltage200.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Terminal Type and Quantity28 WIRE LEAD
Inclosure TypeFULLY INCLOSED
Maximum Operating Temp155.0 CELSIUS DEGC
Mounting MethodTHREADED HOLE(S) SINGLE GROUP
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
3455-00-243-21711-1561-1375 INTERCHANGEABLE
Cutter,milling,woodruff Keyseat
New York Twist Drill Inc
6220-00-350-806899033Y INTERCHANGEABLE
Lens,light
Truck-Lite Co., Llc
4320-00-977-2799157434194551 INTERCHANGEABLE
Ring,wearing
Euramco Safety Inc
5950-00-991-87101992191 INTERCHANGEABLE
Transformer,pulse
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5962-01-089-782942449 INTERCHANGEABLE
Microcircuit,digital
Raytheon Company Div Rmd Strategic
5985-01-093-5679121-45-1 INTERCHANGEABLE
Cable,electrical
Allard Nazarian Group, Inc. Dba Granite State Manufacturing
5330-01-115-4945TO 04384188 INTERCHANGEABLE
Seal,plain
Chrysler Realty Company Llc Dba Daimler Chrysler
2920-01-422-4086321-1011 INTERCHANGEABLE
Generator,engine Accessory
Borgwarner Pds (anderson), L.l.c.
5330-01-487-6332032-11011-000 INTERCHANGEABLE
Gasket
Aqua-Chem, Inc. Dba Aqua-Chem Inc
Cross-Reference Index
Part NumberManufacturer
42449 Coast/advanced Chip Magnetics, Inc. (USA)
321101-1 Engineered Magnetics, Inc. Dba Engineered Magnetics (USA)
121451 PRIMARY Engineered Magnetics, Inc. Dba Engineered Magnetics (USA)
Related Parts
3455-00-243-2171INTERCHANGEABLE
CUTTER,MILLING,WOODRUFF KEYSEAT
1-1561-1375
6220-00-350-8068INTERCHANGEABLE
LENS,LIGHT
99033Y
4320-00-977-2799INTERCHANGEABLE
RING,WEARING
157434194551
5950-00-991-8710INTERCHANGEABLE
TRANSFORMER,PULSE
1992191
5962-01-089-7829INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
42449
5985-01-093-5679INTERCHANGEABLE
CABLE,ELECTRICAL
121-45-1
5330-01-115-4945INTERCHANGEABLE
SEAL,PLAIN
TO 04384188
2920-01-422-4086INTERCHANGEABLE
GENERATOR,ENGINE ACCESSORY
321-1011
5330-01-487-6332INTERCHANGEABLE
GASKET
032-11011-000

Frequently Asked Questions

What is NSN 5950-01-080-2134?

NSN 5950-01-080-2134 is a Transformer,power, manufactured by Engineered Magnetics, Inc. Dba Engineered Magnetics, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-080-2134?

NSN 5950-01-080-2134 has 3 cross-referenced part numbers: 42449 (Coast/advanced Chip Magnetics, Inc.), 321101-1 (Engineered Magnetics, Inc. Dba Engineered Magnetics), 121451 (Engineered Magnetics, Inc. Dba Engineered Magnetics).

What NSN replaces 5950-01-080-2134?

There are 9 known substitutes for 5950-01-080-2134: 3455-00-243-2171, 6220-00-350-8068, 4320-00-977-2799 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 121451?

Key specifications for 121451: Reliability Indicator: NOT ESTABLISHED; Winding Operating Voltage: 5.78 AC VOLTS NOMINAL AND 8.06 AC VOLTS NOMINAL AND 10.45 AC VOLTS NOMINAL AND 14.20 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY; Transformer Winding Connection Type: DELTA-WYE; Center to Center Distance Between Mounting Facilities Parallel to Length: 1.875 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN. 20 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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