PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

T235A269-109Transformer,audio Frequency

Telephonics Corp · NSN 5950-01-202-5988 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-202-5988 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-202-5988. Primary manufacturer part number: T235A269-109.
Features
  • Transformer,audio Frequency — FSC 5950
  • Winding Shielding Method: INTERNALLY SHIELDED SINGLE COMPONENT
  • Primary to Secondary Turn Ratio: 1 TO 1 TO 1 SINGLE COMPONENT
  • Maximum Operating Temp: 85.0 CELSIUS DEGC
  • Maximum Transformer Power Rating: 600.0 MILLIWATTS SINGLE COMPONENT
  • Impedance Rating in Ohms: 400.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Terminal Type and Quantity: 7 WIRE LEAD
  • Mounting Method: TERMINAL SINGLE GROUP
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,audio Frequency, cataloged under National Stock Number 5950-01-202-5988, 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 Telephonics Corp. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-202-5988
Primary Part NumberT235A269-109
Item NameTransformer,audio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerTelephonics Corp
StatusACTIVE
Winding Shielding MethodINTERNALLY SHIELDED SINGLE COMPONENT
Primary to Secondary Turn Ratio1 TO 1 TO 1 SINGLE COMPONENT
Maximum Operating Temp85.0 CELSIUS DEGC
Maximum Transformer Power Rating600.0 MILLIWATTS SINGLE COMPONENT
Impedance Rating in Ohms400.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Terminal Type and Quantity7 WIRE LEAD
Mounting MethodTERMINAL SINGLE GROUP
Hazardous Locations/environmental ProtectionSALT SPRAY RESISTANT AND VIBRATION RESISTANT
Overall Diameter0.375 INCHES NOMINAL IN
Frequency Rating400.0 HERTZ MINIMUM AND 100.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Inclosure TypeFULLY INCLOSED
Reliability IndicatorNOT ESTABLISHED
Body Length0.485 INCHES MAXIMUM IN
Impedance Rating in Ohms400.0 NOMINAL SINGLE COMPONENT ALL SECONDARY
Winding Function and Quantity1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Winding Operating Current8.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
1650-00-166-6024280-7 INTERCHANGEABLE
Shaft,shouldered,mo
Ontic Engineering & Manufacturing, Inc Dba Ontic Us
5120-00-288-9302 INTERCHANGEABLE
Wrench,box
5920-00-290-18442807 INTERCHANGEABLE
Fuseholder,block
Cooper Bussmann, Llc Dba Cooper Industries
2825-00-343-21302807 INTERCHANGEABLE
Ring,oil Seal
Northrop Grumman Systems Corporation Div Marine Systems
5930-00-497-23342807 INTERCHANGEABLE
Switch,code Indicating Wheel
Janco Corporation Dba Janco Corp Div Mason Controls
5950-00-518-1973 INTERCHANGEABLE
Coil,radio Frequency
5950-00-648-2296 INTERCHANGEABLE
Transformer,audio Frequency
5365-00-813-2034 INTERCHANGEABLE
Shim
5315-01-358-37361765940 INTERCHANGEABLE
Pin,straight,headed
Oshkosh Defense Llc
3010-01-491-8041 INTERCHANGEABLE
Clutch Half,positive,nonvehicula
Cross-Reference Index
Part NumberManufacturer
2807 Pico Electronics Inc (USA)
T235A269-109 PRIMARY Telephonics Corp (USA)
Related Parts
1650-00-166-6024INTERCHANGEABLE
SHAFT,SHOULDERED,MO
280-7
5120-00-288-9302INTERCHANGEABLE
WRENCH,BOX
5920-00-290-1844INTERCHANGEABLE
FUSEHOLDER,BLOCK
2807
2825-00-343-2130INTERCHANGEABLE
RING,OIL SEAL
2807
5930-00-497-2334INTERCHANGEABLE
SWITCH,CODE INDICATING WHEEL
2807
5950-00-518-1973INTERCHANGEABLE
COIL,RADIO FREQUENCY
5950-00-648-2296INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
5365-00-813-2034INTERCHANGEABLE
SHIM
5315-01-358-3736INTERCHANGEABLE
PIN,STRAIGHT,HEADED
1765940
3010-01-491-8041INTERCHANGEABLE
CLUTCH HALF,POSITIVE,NONVEHICULA

Frequently Asked Questions

What is NSN 5950-01-202-5988?

NSN 5950-01-202-5988 is a Transformer,audio Frequency, manufactured by Telephonics Corp, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-202-5988?

NSN 5950-01-202-5988 has 2 cross-referenced part numbers: 2807 (Pico Electronics Inc), T235A269-109 (Telephonics Corp).

What NSN replaces 5950-01-202-5988?

There are 10 known substitutes for 5950-01-202-5988: 1650-00-166-6024, 5120-00-288-9302, 5920-00-290-1844 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of T235A269-109?

Key specifications for T235A269-109: Winding Shielding Method: INTERNALLY SHIELDED SINGLE COMPONENT; Primary to Secondary Turn Ratio: 1 TO 1 TO 1 SINGLE COMPONENT; Maximum Operating Temp: 85.0 CELSIUS DEGC; Maximum Transformer Power Rating: 600.0 MILLIWATTS SINGLE COMPONENT. 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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