PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

TW-71123Transformer,power

Magnetika · NSN 5950-01-108-9490 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-108-9490 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-108-9490. Primary manufacturer part number: TW-71123.
Features
  • Transformer,power — FSC 5950
  • Winding Operating Voltage: 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Distance Between Mounting Facility Centers: 3.563 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Frequency Rating: 400.0 HERTZ NOMINAL SINGLE COMPONENT
  • Terminal Type and Quantity: 4 TAB, SOLDER LUG
  • Mounting Method: BRACKET(S) AND UNTHREADED HOLE(S) SINGLE GROUP
  • Maximum Operating Temp: 130.0 CELSIUS DEGC
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-01-108-9490, 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 Magnetika. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-108-9490
Primary Part NumberTW-71123
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerMagnetika
StatusACTIVE
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Distance Between Mounting Facility Centers3.563 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Terminal Type and Quantity4 TAB, SOLDER LUG
Mounting MethodBRACKET(S) AND UNTHREADED HOLE(S) SINGLE GROUP
Maximum Operating Temp130.0 CELSIUS DEGC
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Inclosure TypeOPEN
Mounting Facility Quantity2 SINGLE GROUP
Mounting Hole Diameter0.188 INCHES NOMINAL SINGLE GROUP IN
Reliability IndicatorNOT ESTABLISHED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3110-00-142-43825335 INTERCHANGEABLE
Cup,tapered Roller Bearing
The Timken Corporation
5315-00-187-3271MS24692-102 INTERCHANGEABLE
Pin,tapered,plain
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
6610-00-739-846340435 INTERCHANGEABLE
Gear Train Assy,pit
Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems
4820-01-018-4964 INTERCHANGEABLE
Valve,pneumatic Tank
5962-01-079-017340435 INTERCHANGEABLE
Microcircuit,digital
Raytheon Company Div Rmd Strategic
1680-01-115-924040435 INTERCHANGEABLE
Drive Pinion,winch
Acco-Babcock Inc Hoist and Crane Div
Cross-Reference Index
Part NumberManufacturer
40435 Coast/advanced Chip Magnetics, Inc. (USA)
TW-71123 PRIMARY Magnetika (USA)
379A093G01 Sanders and Thomas Inc (USA)
Related Parts
3110-00-142-4382INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
5335
5315-00-187-3271INTERCHANGEABLE
PIN,TAPERED,PLAIN
MS24692-102
6610-00-739-8463INTERCHANGEABLE
GEAR TRAIN ASSY,PIT
40435
4820-01-018-4964INTERCHANGEABLE
VALVE,PNEUMATIC TANK
5962-01-079-0173INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
40435
1680-01-115-9240INTERCHANGEABLE
DRIVE PINION,WINCH
40435

Frequently Asked Questions

What is NSN 5950-01-108-9490?

NSN 5950-01-108-9490 is a Transformer,power, manufactured by Magnetika, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-108-9490?

NSN 5950-01-108-9490 has 3 cross-referenced part numbers: 40435 (Coast/advanced Chip Magnetics, Inc.), TW-71123 (Magnetika), 379A093G01 (Sanders and Thomas Inc).

What NSN replaces 5950-01-108-9490?

There are 6 known substitutes for 5950-01-108-9490: 3110-00-142-4382, 5315-00-187-3271, 6610-00-739-8463 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of TW-71123?

Key specifications for TW-71123: Winding Operating Voltage: 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY; Distance Between Mounting Facility Centers: 3.563 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT; Frequency Rating: 400.0 HERTZ NOMINAL SINGLE COMPONENT. 15 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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