PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12388Transformer,power

Standex Electronics, Inc. · NSN 5950-01-020-0674 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-020-0674 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-020-0674. Primary manufacturer part number: 12388.
Features
  • Transformer,power — FSC 5950
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Body Height: 1.375 INCHES NOMINAL IN
  • Frequency Rating: 400.0 HERTZ NOMINAL SINGLE COMPONENT
  • Body Length: 1.375 INCHES NOMINAL IN
  • Thread Quantity Per Inch: 32 SINGLE GROUP
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
  • Terminal Type and Quantity: 4 TURRET
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-01-020-0674, 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 Standex Electronics, Inc.. Government technical data includes 17 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-020-0674
Primary Part Number12388
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerStandex Electronics, Inc.
StatusACTIVE
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Body Height1.375 INCHES NOMINAL IN
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Body Length1.375 INCHES NOMINAL IN
Thread Quantity Per Inch32 SINGLE GROUP
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Terminal Type and Quantity4 TURRET
Mounting MethodTHREADED HOLE(S) SINGLE GROUP
Maximum Operating Temp105.0 CELSIUS DEGC
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Mounting Facility Quantity1 SINGLE GROUP
Inclosure TypeFULLY INCLOSED
Winding Operating Voltage7.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Winding Shielding MethodEXTERNAL INCLOSURE SINGLE COMPONENT
Winding Operating Voltage26.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Body Width0.875 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5133-00-228-1411 INTERCHANGEABLE
Drill,twist
6610-00-482-5727123-88 INTERCHANGEABLE
Insulator and Eyelet Assembly
Avionics Specialties, Inc.
6110-00-567-056613422K INTERCHANGEABLE
Protector,thermal-Overload,elect
Lynn Electronics Llc
2815-00-906-625533426516 INTERCHANGEABLE
Hub Gear
Perkins Engines Inc
6625-01-092-1198260-8 INTERCHANGEABLE
Multimeter
Simpson Electric Company, Inc.
5998-01-261-0726 INTERCHANGEABLE
Backplane Assembly
2840-01-498-6310 INTERCHANGEABLE
Mount,front,aircraft Gas Turbine
Cross-Reference Index
Part NumberManufacturer
12388 PRIMARY Standex Electronics, Inc. (USA)
21449553-3 Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div (USA)
2144953-3 Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems (USA)
Related Parts
5133-00-228-1411INTERCHANGEABLE
DRILL,TWIST
6610-00-482-5727INTERCHANGEABLE
INSULATOR AND EYELET ASSEMBLY
123-88
6110-00-567-0566INTERCHANGEABLE
PROTECTOR,THERMAL-OVERLOAD,ELECT
13422K
2815-00-906-6255INTERCHANGEABLE
HUB GEAR
33426516
6625-01-092-1198INTERCHANGEABLE
MULTIMETER
260-8
5998-01-261-0726INTERCHANGEABLE
BACKPLANE ASSEMBLY
2840-01-498-6310INTERCHANGEABLE
MOUNT,FRONT,AIRCRAFT GAS TURBINE

Frequently Asked Questions

What is NSN 5950-01-020-0674?

NSN 5950-01-020-0674 is a Transformer,power, manufactured by Standex Electronics, Inc., classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-020-0674?

NSN 5950-01-020-0674 has 3 cross-referenced part numbers: 12388 (Standex Electronics, Inc.), 21449553-3 (Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div), 2144953-3 (Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems).

What NSN replaces 5950-01-020-0674?

There are 7 known substitutes for 5950-01-020-0674: 5133-00-228-1411, 6610-00-482-5727, 6110-00-567-0566 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12388?

Key specifications for 12388: Overall Height: 1.625 INCHES NOMINAL IN; Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT; Body Height: 1.375 INCHES NOMINAL IN; Frequency Rating: 400.0 HERTZ NOMINAL SINGLE COMPONENT. 18 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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