PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-T-27/167Transformer,audio Frequency

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5950-01-129-3478 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-129-3478 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-129-3478. Primary manufacturer part number: MIL-T-27/167.
Features
  • Transformer,audio Frequency — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Specification/standard Data: 81349-MIL-T-27/167 GOVERNMENT SPECIFICATION
  • Body Height: 0.563 INCHES MAXIMUM IN
  • Test Data Document: 81349-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.).
  • Inclosure Type: FULLY INCLOSED
  • Maximum Transformer Power Rating: 100.0 MILLIWATTS SINGLE COMPONENT
  • Body Length: 0.875 INCHES MAXIMUM 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 5950-01-129-3478, 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 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-129-3478
Primary Part NumberMIL-T-27/167
Item NameTransformer,audio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Specification/standard Data81349-MIL-T-27/167 GOVERNMENT SPECIFICATION
Body Height0.563 INCHES MAXIMUM 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.).
Inclosure TypeFULLY INCLOSED
Maximum Transformer Power Rating100.0 MILLIWATTS SINGLE COMPONENT
Body Length0.875 INCHES MAXIMUM IN
Winding Shielding MethodINTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT
Impedance Rating in Ohms150.0 NOMINAL SINGLE COMPONENT ALL SECONDARY
Mounting MethodTERMINAL SINGLE GROUP
Body Width0.750 INCHES MAXIMUM IN
Impedance Rating in Ohms600.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Maximum Operating Temp105.0 CELSIUS DEGC
Winding Operating Current10.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Frequency Rating300.0 HERTZ MINIMUM AND 20.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Winding Function and Quantity1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Terminal Type and Quantity8 PIN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5950-01-104-4429 INTERCHANGEABLE
Transformer,audio Frequency
5950-01-104-4444 INTERCHANGEABLE
Transformer,audio Frequency
5950-01-104-4457 INTERCHANGEABLE
Transformer,audio Frequency
5950-01-120-9189 INTERCHANGEABLE
Transformer,audio Frequency
5950-01-144-4948 INTERCHANGEABLE
Transformer,audio Frequency
5950-01-229-2579 INTERCHANGEABLE
Transformer,audio Frequency
5950-01-258-9730 INTERCHANGEABLE
Transformer,audio Frequency
5950-01-258-9731 INTERCHANGEABLE
Transformer,audio Frequency
5950-01-260-7497 INTERCHANGEABLE
Transformer,audio Frequency
5950-01-265-1628 INTERCHANGEABLE
Transformer,audio Frequency
Cross-Reference Index
Part NumberManufacturer
MIL-T-27/167 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M27/167-09 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
10389068 Nimikkeistokeskus Ncb Finland (FIN)
MIL-PRF-27/167 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5950-01-104-4429INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
5950-01-104-4444INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
5950-01-104-4457INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
5950-01-120-9189INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
5950-01-144-4948INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
5950-01-229-2579INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
5950-01-258-9730INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
5950-01-258-9731INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
5950-01-260-7497INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
5950-01-265-1628INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
5950-01-265-1676INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
5950-01-286-0679INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY

Frequently Asked Questions

What is NSN 5950-01-129-3478?

NSN 5950-01-129-3478 is a Transformer,audio Frequency, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-129-3478?

NSN 5950-01-129-3478 has 4 cross-referenced part numbers: MIL-T-27/167 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M27/167-09 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 10389068 (Nimikkeistokeskus Ncb Finland), MIL-PRF-27/167 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5950-01-129-3478?

There are 12 known substitutes for 5950-01-129-3478: 5950-01-104-4429, 5950-01-104-4444, 5950-01-104-4457 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-T-27/167?

Key specifications for MIL-T-27/167: Reliability Indicator: NOT ESTABLISHED; Specification/standard Data: 81349-MIL-T-27/167 GOVERNMENT SPECIFICATION; Body Height: 0.563 INCHES MAXIMUM IN; Test Data Document: 81349-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.).. 17 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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