PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

DO-T29Transformer,audio Frequency

United Transformer Corp Sub of Opt Industries Inc · NSN 5950-01-258-9716 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-258-9716 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-258-9716. Primary manufacturer part number: DO-T29.
Features
  • Transformer,audio Frequency — FSC 5950
  • Maximum Operating Temp: 105.0 CELSIUS DEGC
  • Test Data Document: 81349-MIL-PRF-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 Ohms: 3.2 MINIMUM AND 4.0 MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
  • Frequency Rating: 300.0 HERTZ MINIMUM AND 2.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
  • Winding Operating Current: 10.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
  • Reliability Indicator: NOT ESTABLISHED
  • Impedance Rating in Ohms: 120.0 MINIMUM AND 150.0 MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,audio Frequency, cataloged under National Stock Number 5950-01-258-9716, 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 United Transformer Corp Sub of Opt Industries Inc. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 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
NSN5950-01-258-9716
Primary Part NumberDO-T29
Item NameTransformer,audio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerUnited Transformer Corp Sub of Opt Industries Inc
StatusCANCELLED
Maximum Operating Temp105.0 CELSIUS DEGC
Test Data Document81349-MIL-PRF-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 Ohms3.2 MINIMUM AND 4.0 MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Frequency Rating300.0 HERTZ MINIMUM AND 2.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Winding Operating Current10.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Reliability IndicatorNOT ESTABLISHED
Impedance Rating in Ohms120.0 MINIMUM AND 150.0 MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Body Outside Diameter0.344 INCHES MAXIMUM IN
Inclosure TypeFULLY INCLOSED
Mounting MethodTERMINAL SINGLE GROUP
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Specification/standard Data81349-MIL-PRF-27/172 GOVERNMENT SPECIFICATION
Maximum Transformer Power Rating500.0 MILLIWATTS SINGLE COMPONENT
Body Length0.469 INCHES MAXIMUM IN
Terminal Type and Quantity5 WIRE LEAD
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5960-00-100-7146 INTERCHANGEABLE
Electron Tube
6645-00-162-2092 INTERCHANGEABLE
Timer,sequential
4730-00-223-64103B8487 INTERCHANGEABLE
Fitting,lubrication
Caterpillar Inc Div Caterpillar Defense
5930-00-257-9850118538-1 INTERCHANGEABLE
Switch,toggle
L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products
5120-00-408-1464 INTERCHANGEABLE
Puller,mechanical
5960-00-617-8925 INTERCHANGEABLE
Electron Tube
5815-01-083-9410 INTERCHANGEABLE
Back Stop,pad Assy
2530-01-105-95833219-F-2450 INTERCHANGEABLE
Brake Drum
Meritor Heavy Vehicle Systems, Llc
5935-01-121-3284 INTERCHANGEABLE
Connector
6510-01-171-89061629 INTERCHANGEABLE
Dressing,occlusive,adhesive
Solventum Us Llc
Cross-Reference Index
Part NumberManufacturer
DO-T29 United Transformer Corp Sub of Opt Industries Inc (USA)
EH720 United Transformer Corp Sub of Opt Industries Inc (USA)
MIL-T-27/172 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-PRF-27/172 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M27/172-02 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
1783709-29 Honeywell International Inc. Dba Honeywell International (USA)
EH720 Magnetika Inc (USA)
DO-T29 Shield Air Co (USA)
1629 Pico Electronics Inc (USA)
Related Parts
5960-00-100-7146INTERCHANGEABLE
ELECTRON TUBE
6645-00-162-2092INTERCHANGEABLE
TIMER,SEQUENTIAL
4730-00-223-6410INTERCHANGEABLE
FITTING,LUBRICATION
3B8487
5930-00-257-9850INTERCHANGEABLE
SWITCH,TOGGLE
118538-1
5120-00-408-1464INTERCHANGEABLE
PULLER,MECHANICAL
5960-00-617-8925INTERCHANGEABLE
ELECTRON TUBE
5815-01-083-9410INTERCHANGEABLE
BACK STOP,PAD ASSY
2530-01-105-9583INTERCHANGEABLE
BRAKE DRUM
3219-F-2450
5935-01-121-3284INTERCHANGEABLE
CONNECTOR
6510-01-171-8906INTERCHANGEABLE
DRESSING,OCCLUSIVE,ADHESIVE
1629
5985-01-242-8785INTERCHANGEABLE
ATTENUATOR,VARIABLE
1629
4140-01-359-5742INTERCHANGEABLE
GUARD,FAN IMPELLER
1629

Frequently Asked Questions

What is NSN 5950-01-258-9716?

NSN 5950-01-258-9716 is a Transformer,audio Frequency, manufactured by United Transformer Corp Sub of Opt Industries Inc, classified under FSC 5950 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5950-01-258-9716?

NSN 5950-01-258-9716 has 9 cross-referenced part numbers: DO-T29 (United Transformer Corp Sub of Opt Industries Inc), EH720 (United Transformer Corp Sub of Opt Industries Inc), MIL-T-27/172 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-PRF-27/172 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M27/172-02 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 4 more.

What NSN replaces 5950-01-258-9716?

There are 12 known substitutes for 5950-01-258-9716: 5960-00-100-7146, 6645-00-162-2092, 4730-00-223-6410 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of DO-T29?

Key specifications for DO-T29: Maximum Operating Temp: 105.0 CELSIUS DEGC; Test Data Document: 81349-MIL-PRF-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 Ohms: 3.2 MINIMUM AND 4.0 MAXIMUM SINGLE COMPONENT SINGLE SECONDARY; Frequency Rating: 300.0 HERTZ MINIMUM AND 2.0 KILOHERTZ MAXIMUM SINGLE COMPONENT. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5950-01-258-9716 still in active supply?

NSN 5950-01-258-9716 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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