PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

438884Transformer,audio Frequency

Raytheon Technical Services Company · NSN 5950-01-146-7763 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-146-7763 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-146-7763. Primary manufacturer part number: 438884.
Features
  • Transformer,audio Frequency — FSC 5950
  • Terminal Type and Quantity: 8 TAB, SOLDER LUG
  • Impedance Rating in Ohms: 4.0 NOMINAL SINGLE COMPONENT ALL SECONDARY
  • Body Outside Diameter: 1.625 INCHES NOMINAL IN
  • Winding Operating Current: 750.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
  • Inclosure Type: HERMETICALLY SEALED
  • Impedance Rating in Ohms: 48.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 1.312 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,audio Frequency, cataloged under National Stock Number 5950-01-146-7763, 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 Raytheon Technical Services Company. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5950-01-146-7763
Primary Part Number438884
Item NameTransformer,audio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerRaytheon Technical Services Company
StatusCANCELLED
Terminal Type and Quantity8 TAB, SOLDER LUG
Impedance Rating in Ohms4.0 NOMINAL SINGLE COMPONENT ALL SECONDARY
Body Outside Diameter1.625 INCHES NOMINAL IN
Winding Operating Current750.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Inclosure TypeHERMETICALLY SEALED
Impedance Rating in Ohms48.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Center to Center Distance Between Mounting Facilities Parallel to Length1.312 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Length2.250 INCHES NOMINAL IN
Test Data Document81349-MIL-T-27 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Center to Center Distance Between Mounting Facilities Parallel to Width1.312 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Frequency Rating40.0 HERTZ MINIMUM AND 20.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Winding Function and Quantity1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Mounting Facility Quantity4 SINGLE GROUP
Mounting Hole Diameter0.144 INCHES NOMINAL SINGLE GROUP IN
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Specification/standard Data81349-MIL-T-27/197 GOVERNMENT SPECIFICATION
Reliability IndicatorNOT ESTABLISHED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5342-00-975-6276H28-1 INTERCHANGEABLE
Catch,roller
Ims Engineered Products Llc
5340-00-978-1773H28-1 INTERCHANGEABLE
Catch,clamping
Hartwell Corporation
5950-01-102-7706 INTERCHANGEABLE
Transformer,audio Frequency
5950-01-104-4413 INTERCHANGEABLE
Transformer,audio Frequency
5950-01-104-4415 INTERCHANGEABLE
Transformer,audio Frequency
5950-01-104-4443 INTERCHANGEABLE
Transformer,audio Frequency
5950-01-104-7114 INTERCHANGEABLE
Transformer,audio Frequency
5950-01-111-0158 INTERCHANGEABLE
Transformer,audio Frequency
4920-01-140-3941H281 INTERCHANGEABLE
Printer,engine Monitor
Howell Instruments, Inc. Dba Howell Instruments Inc
5950-01-140-7127 INTERCHANGEABLE
Transformer,audio Frequency
Cross-Reference Index
Part NumberManufacturer
438884 Raytheon Technical Services Company (USA)
M27/197-10 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-T-27/197 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
336-010-017 L3harris Interstate Electronics Corporation (USA)
H281 United Transformer Corp Sub of Opt Industries Inc (USA)
438884 Cae Usa Inc. (USA)
H281 Magnetika Inc (USA)
Related Parts
5342-00-975-6276INTERCHANGEABLE
CATCH,ROLLER
H28-1
5340-00-978-1773INTERCHANGEABLE
CATCH,CLAMPING
H28-1
5950-01-102-7706INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
5950-01-104-4413INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
5950-01-104-4415INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
5950-01-104-4443INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
5950-01-104-7114INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
5950-01-111-0158INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
4920-01-140-3941INTERCHANGEABLE
PRINTER,ENGINE MONITOR
H281
5950-01-140-7127INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
5950-01-260-7498INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
5950-01-262-0344INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY

Frequently Asked Questions

What is NSN 5950-01-146-7763?

NSN 5950-01-146-7763 is a Transformer,audio Frequency, manufactured by Raytheon Technical Services Company, classified under FSC 5950 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5950-01-146-7763?

NSN 5950-01-146-7763 has 7 cross-referenced part numbers: 438884 (Raytheon Technical Services Company), M27/197-10 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-T-27/197 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 336-010-017 (L3harris Interstate Electronics Corporation), H281 (United Transformer Corp Sub of Opt Industries Inc) and 2 more.

What NSN replaces 5950-01-146-7763?

There are 12 known substitutes for 5950-01-146-7763: 5342-00-975-6276, 5340-00-978-1773, 5950-01-102-7706 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 438884?

Key specifications for 438884: Terminal Type and Quantity: 8 TAB, SOLDER LUG; Impedance Rating in Ohms: 4.0 NOMINAL SINGLE COMPONENT ALL SECONDARY; Body Outside Diameter: 1.625 INCHES NOMINAL IN; Winding Operating Current: 750.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5950-01-146-7763 still in active supply?

NSN 5950-01-146-7763 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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