PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2809Transformer,audio Frequency

Pico Electronics Inc · NSN 5950-01-202-5989 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-202-5989 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-202-5989. Primary manufacturer part number: 2809.
Features
  • Transformer,audio Frequency — FSC 5950
  • Primary to Secondary Turn Ratio: 1 TO 1 SINGLE COMPONENT
  • Body Length: 0.360 INCHES MAXIMUM IN
  • Hazardous Locations/environmental Protection: SALT SPRAY RESISTANT AND VIBRATION RESISTANT
  • Maximum Operating Temp: 85.0 CELSIUS DEGC
  • Overall Diameter: 0.320 INCHES MAXIMUM IN
  • Maximum Transformer Power Rating: 80.0 MILLIWATTS SINGLE COMPONENT
  • Reliability Indicator: NOT ESTABLISHED
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,audio Frequency, cataloged under National Stock Number 5950-01-202-5989, 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 Pico Electronics Inc. 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-202-5989
Primary Part Number2809
Item NameTransformer,audio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerPico Electronics Inc
StatusACTIVE
Primary to Secondary Turn Ratio1 TO 1 SINGLE COMPONENT
Body Length0.360 INCHES MAXIMUM IN
Hazardous Locations/environmental ProtectionSALT SPRAY RESISTANT AND VIBRATION RESISTANT
Maximum Operating Temp85.0 CELSIUS DEGC
Overall Diameter0.320 INCHES MAXIMUM IN
Maximum Transformer Power Rating80.0 MILLIWATTS SINGLE COMPONENT
Reliability IndicatorNOT ESTABLISHED
Impedance Rating in Ohms10000.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Mounting MethodTERMINAL SINGLE GROUP
Frequency Rating400.0 HERTZ MINIMUM AND 259.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Impedance Rating in Ohms10000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Inclosure TypeFULLY INCLOSED
Winding Operating Current0.5 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Winding Shielding MethodINTERNALLY SHIELDED SINGLE COMPONENT
Terminal Type and Quantity6 WIRE LEAD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5120-00-264-5210 INTERCHANGEABLE
Wrench,box
5930-00-448-44822809 INTERCHANGEABLE
Switch,code Indicating Wheel
Janco Corporation Dba Janco Corp Div Mason Controls
2530-00-478-5792F59012 INTERCHANGEABLE
Parts Kit,hydraulic Brake Master
Federal Mogul Corp Sub Wagner Brake Moog Automotive Div
5950-00-754-6416615175 INTERCHANGEABLE
Transformer,power
Honeywell International Inc. Dba Honeywell International
2530-00-875-83312-809 INTERCHANGEABLE
Kingpin,wheel Spindle
Pdi Ground Support Systems, Inc.
5920-01-014-81952809 INTERCHANGEABLE
Fuseholder,block
Cooper Bussmann, Llc Dba Cooper Industries
6685-01-073-75892809 INTERCHANGEABLE
Thermometer,self-Indicating,digi
Omega Engineering, Inc.
4820-01-200-886610101 INTERCHANGEABLE
Disk and Holder,valve
Caltam, Inc
2940-01-545-8115P607955 INTERCHANGEABLE
Filter Element,intake Air Cleane
Donaldson Company, Inc.
Cross-Reference Index
Part NumberManufacturer
T235A269-111 Telephonics Corp (USA)
2809 PRIMARY Pico Electronics Inc (USA)
Related Parts
5120-00-264-5210INTERCHANGEABLE
WRENCH,BOX
5930-00-448-4482INTERCHANGEABLE
SWITCH,CODE INDICATING WHEEL
2809
2530-00-478-5792INTERCHANGEABLE
PARTS KIT,HYDRAULIC BRAKE MASTER
F59012
5950-00-754-6416INTERCHANGEABLE
TRANSFORMER,POWER
615175
2530-00-875-8331INTERCHANGEABLE
KINGPIN,WHEEL SPINDLE
2-809
5920-01-014-8195INTERCHANGEABLE
FUSEHOLDER,BLOCK
2809
6685-01-073-7589INTERCHANGEABLE
THERMOMETER,SELF-INDICATING,DIGI
2809
4820-01-200-8866INTERCHANGEABLE
DISK AND HOLDER,VALVE
10101
2940-01-545-8115INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
P607955

Frequently Asked Questions

What is NSN 5950-01-202-5989?

NSN 5950-01-202-5989 is a Transformer,audio Frequency, manufactured by Pico Electronics Inc, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-202-5989?

NSN 5950-01-202-5989 has 2 cross-referenced part numbers: T235A269-111 (Telephonics Corp), 2809 (Pico Electronics Inc).

What NSN replaces 5950-01-202-5989?

There are 9 known substitutes for 5950-01-202-5989: 5120-00-264-5210, 5930-00-448-4482, 2530-00-478-5792 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2809?

Key specifications for 2809: Primary to Secondary Turn Ratio: 1 TO 1 SINGLE COMPONENT; Body Length: 0.360 INCHES MAXIMUM IN; Hazardous Locations/environmental Protection: SALT SPRAY RESISTANT AND VIBRATION RESISTANT; Maximum Operating Temp: 85.0 CELSIUS DEGC. 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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