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 5950-01-258-9731 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-258-9731 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-258-9731. Primary manufacturer part number: MIL-T-27/167.
Features
  • Transformer,audio Frequency — FSC 5950
  • Maximum Transformer Power Rating: 100.0 MILLIWATTS SINGLE COMPONENT
  • Body Height: 0.563 INCHES MAXIMUM IN
  • Terminal Type and Quantity: 6 PIN
  • Specification/standard Data: 81349-MIL-T-27/167 GOVERNMENT SPECIFICATION
  • Body Length: 0.875 INCHES MAXIMUM IN
  • Frequency Rating: 300.0 HERTZ MINIMUM AND 20.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
  • Inclosure Type: FULLY INCLOSED
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,audio Frequency, cataloged under National Stock Number 5950-01-258-9731, 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 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, 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
NSN5950-01-258-9731
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
Maximum Transformer Power Rating100.0 MILLIWATTS SINGLE COMPONENT
Body Height0.563 INCHES MAXIMUM IN
Terminal Type and Quantity6 PIN
Specification/standard Data81349-MIL-T-27/167 GOVERNMENT SPECIFICATION
Body Length0.875 INCHES MAXIMUM IN
Frequency Rating300.0 HERTZ MINIMUM AND 20.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Inclosure TypeFULLY INCLOSED
Impedance Rating in Ohms1500.0 MINIMUM AND 1800.0 MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
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.).
Impedance Rating in Ohms10000.0 MINIMUM AND 12000.0 MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Mounting MethodTERMINAL SINGLE GROUP
Winding Operating Current4.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Maximum Operating Temp105.0 CELSIUS DEGC
Body Width0.750 INCHES MAXIMUM IN
Reliability IndicatorNOT ESTABLISHED
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
5950-01-129-3478 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
5950-01-260-7497 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
MIL-PRF-27/167 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M27/167-29 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
5950-01-129-3478INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
5950-01-144-4948INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
5950-01-229-2579INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
5950-01-258-9730INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
5950-01-260-7497INTERCHANGEABLE
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 5950-01-258-9731?

NSN 5950-01-258-9731 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 5950-01-258-9731?

NSN 5950-01-258-9731 has 3 cross-referenced part numbers: MIL-T-27/167 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-PRF-27/167 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M27/167-29 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5950-01-258-9731?

There are 12 known substitutes for 5950-01-258-9731: 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: Maximum Transformer Power Rating: 100.0 MILLIWATTS SINGLE COMPONENT; Body Height: 0.563 INCHES MAXIMUM IN; Terminal Type and Quantity: 6 PIN; Specification/standard Data: 81349-MIL-T-27/167 GOVERNMENT SPECIFICATION. 16 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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