PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2938860-2Transformer,power

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5950-01-129-1193 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-129-1193 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-129-1193. Primary manufacturer part number: 2938860-2.
Features
  • Transformer,power — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Thread Quantity Per Inch: 32 SINGLE GROUP
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
  • Terminal Type and Quantity: 9 TURRET
  • Mounting Facility Quantity: 8 SINGLE GROUP
  • Body Width: 2.250 INCHES MINIMUM AND 2.380 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 5950-01-129-1193, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 20 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-129-1193
Primary Part Number2938860-2
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Thread Quantity Per Inch32 SINGLE GROUP
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Terminal Type and Quantity9 TURRET
Mounting Facility Quantity8 SINGLE GROUP
Body Width2.250 INCHES MINIMUM AND 2.380 INCHES MAXIMUM IN
Inclosure TypeFULLY INCLOSED
Winding Operating Current30.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Mounting MethodTHREADED HOLE(S) SINGLE GROUP
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Body Height3.620 INCHES MINIMUM AND 3.810 INCHES MAXIMUM IN
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO INCLOSURE SINGLE COMPONENT
Body Length2.620 INCHES MINIMUM AND 2.750 INCHES MAXIMUM IN
Center to Center Distance Between Mounting Facilities Parallel to Width1.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Voltage6.70 AC VOLTS NOMINAL AND 15.70 AC VOLTS NOMINAL AND 153.50 AC VOLTS NOMINAL AND 162.50 AC VOLTS NOMINAL AND 169.20 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Frequency Rating60.0 HERTZ NOMINAL SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Length2.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3110-00-275-0283 INTERCHANGEABLE
Bearing,roller,tapered
5930-01-029-5455211722 INTERCHANGEABLE
Switch,code Indicating Wheel
Transico, Inc. Dba Eeco Switch
5360-01-102-1677 INTERCHANGEABLE
Spring
6105-01-328-520240584 INTERCHANGEABLE
Motor,alternating Current
Thermo Electron Corporation Dba Iec Centrifuge Div Laboratory Equipment Divsion
5999-01-417-010840584 INTERCHANGEABLE
Shielding Gasket,electronic
Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit
4320-01-500-07474058-4 INTERCHANGEABLE
Pump,inflating,manual
King Engineering Corporation Dba King-Gage Systems
Cross-Reference Index
Part NumberManufacturer
WE-2457 Wems Electronics Transformer Group (USA)
2938860-2 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
40584 Coast/advanced Chip Magnetics, Inc. (USA)
WE-2457 Magnetika Inc (USA)
PEI 8222 Precision Electronics, Inc (USA)
Related Parts
3110-00-275-0283INTERCHANGEABLE
BEARING,ROLLER,TAPERED
5930-01-029-5455INTERCHANGEABLE
SWITCH,CODE INDICATING WHEEL
211722
5360-01-102-1677INTERCHANGEABLE
SPRING
6105-01-328-5202INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
40584
5999-01-417-0108INTERCHANGEABLE
SHIELDING GASKET,ELECTRONIC
40584
4320-01-500-0747INTERCHANGEABLE
PUMP,INFLATING,MANUAL
4058-4

Frequently Asked Questions

What is NSN 5950-01-129-1193?

NSN 5950-01-129-1193 is a Transformer,power, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-129-1193?

NSN 5950-01-129-1193 has 5 cross-referenced part numbers: WE-2457 (Wems Electronics Transformer Group), 2938860-2 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 40584 (Coast/advanced Chip Magnetics, Inc.), WE-2457 (Magnetika Inc), PEI 8222 (Precision Electronics, Inc).

What NSN replaces 5950-01-129-1193?

There are 6 known substitutes for 5950-01-129-1193: 3110-00-275-0283, 5930-01-029-5455, 5360-01-102-1677 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2938860-2?

Key specifications for 2938860-2: Reliability Indicator: NOT ESTABLISHED; Overall Height: 4.100 INCHES MAXIMUM IN; Thread Quantity Per Inch: 32 SINGLE GROUP; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT. 21 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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