PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M27/165-14Transformer,audio Frequency

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5950-01-109-7166 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-109-7166 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-109-7166. Primary manufacturer part number: M27/165-14.
Features
  • Transformer,audio Frequency — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Impedance Rating in Ohms: 90000.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
  • Maximum Transformer Power Rating: 100.0 MILLIWATTS SINGLE COMPONENT
  • Inclosure Type: FULLY INCLOSED
  • Body Length: 1.000 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.).
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,audio Frequency, cataloged under National Stock Number 5950-01-109-7166, 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 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-109-7166
Primary Part NumberM27/165-14
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
Impedance Rating in Ohms90000.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Maximum Transformer Power Rating100.0 MILLIWATTS SINGLE COMPONENT
Inclosure TypeFULLY INCLOSED
Body Length1.000 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.).
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Terminal Type and Quantity4 PIN
Body Width0.750 INCHES MAXIMUM IN
Mounting MethodPLUG-IN SINGLE GROUP
Body Height0.719 INCHES MAXIMUM IN
Winding Operating Current250.0 MICROAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Impedance Rating in Ohms10000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Maximum Operating Temp105.0 CELSIUS DEGC
Frequency Rating200.0 HERTZ MINIMUM AND 20.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Specification/standard Data81349-MIL-T-27/165 GOVERNMENT SPECIFICATION
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5950-01-088-8485 INTERCHANGEABLE
Transformer,audio Frequency
5950-01-104-4426 INTERCHANGEABLE
Transformer,audio Frequency
5950-01-109-7164 INTERCHANGEABLE
Transformer,audio Frequency
5950-01-215-6942 INTERCHANGEABLE
Transformer,audio Frequency
5950-01-229-2580 INTERCHANGEABLE
Transformer,audio Frequency
5950-01-236-6544S0-2P INTERCHANGEABLE
Transformer,audio Frequency
Magnetika Inc
5950-01-259-5204 INTERCHANGEABLE
Transformer,audio Frequency
5950-01-585-9531 INTERCHANGEABLE
Transformer,audio Frequency
Cross-Reference Index
Part NumberManufacturer
M27/165-14 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-PRF-27/165 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-T-27/165 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
S0-2P Eaton Corp Dba Eaton Aerospace Jackson (USA)
Related Parts
5950-01-088-8485INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
5950-01-104-4426INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
5950-01-109-7164INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
5950-01-215-6942INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
5950-01-229-2580INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
5950-01-236-6544INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
S0-2P
5950-01-259-5204INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
5950-01-585-9531INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY

Frequently Asked Questions

What is NSN 5950-01-109-7166?

NSN 5950-01-109-7166 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 5950-01-109-7166?

NSN 5950-01-109-7166 has 4 cross-referenced part numbers: M27/165-14 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-PRF-27/165 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-T-27/165 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), S0-2P (Eaton Corp Dba Eaton Aerospace Jackson).

What NSN replaces 5950-01-109-7166?

There are 8 known substitutes for 5950-01-109-7166: 5950-01-088-8485, 5950-01-104-4426, 5950-01-109-7164 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of M27/165-14?

Key specifications for M27/165-14: Reliability Indicator: NOT ESTABLISHED; Impedance Rating in Ohms: 90000.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY; Maximum Transformer Power Rating: 100.0 MILLIWATTS SINGLE COMPONENT; Inclosure Type: FULLY INCLOSED. 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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