PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

T1208Transformer,power

Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit · NSN 5950-00-903-8399 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-903-8399 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-903-8399. Primary manufacturer part number: T1208.
Features
  • Transformer,power — FSC 5950
  • Winding Operating Voltage: 100.00 AC VOLTS NOMINAL AND 112.00 AC VOLTS NOMINAL AND 123.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Body Length: 3.250 INCHES NOMINAL IN
  • Body Height: 2.625 INCHES NOMINAL IN
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Inclosure Type: HERMETICALLY SEALED
  • Mounting Method: FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
  • Frequency Rating: 50.0 HERTZ NOMINAL OR 60.0 HERTZ NOMINAL SINGLE COMPONENT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-903-8399, 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 Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-903-8399
Primary Part NumberT1208
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerTransistor Devices Inc Div Astrodyne Tdi High Power Business Unit
StatusACTIVE
Winding Operating Voltage100.00 AC VOLTS NOMINAL AND 112.00 AC VOLTS NOMINAL AND 123.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Body Length3.250 INCHES NOMINAL IN
Body Height2.625 INCHES NOMINAL IN
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Inclosure TypeHERMETICALLY SEALED
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Frequency Rating50.0 HERTZ NOMINAL OR 60.0 HERTZ NOMINAL SINGLE COMPONENT
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Winding Operating Voltage10.00 AC VOLTS NOMINAL AND 20.00 AC VOLTS NOMINAL AND 25.00 AC VOLTS NOMINAL AND 40.00 AC VOLTS NOMINAL AND 60.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Mounting Facility Quantity4 SINGLE GROUP
Mounting Hole Diameter0.219 INCHES NOMINAL SINGLE GROUP IN
Body Width3.125 INCHES NOMINAL IN
Terminal Type and Quantity11 SOLDER STUD
Winding Operating Current1.0 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Center to Center Distance Between Mounting Facilities Parallel to Width2.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Reliability IndicatorNOT ESTABLISHED
Center to Center Distance Between Mounting Facilities Parallel to Length2.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
2805-00-386-34296107385 INTERCHANGEABLE
Valve,poppet,engine
General Motors Llc Dba General Motors Llc
Cross-Reference Index
Part NumberManufacturer
T1208 PRIMARY Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit (USA)
Related Parts
2805-00-386-3429INTERCHANGEABLE
VALVE,POPPET,ENGINE
6107385

Frequently Asked Questions

What is NSN 5950-00-903-8399?

NSN 5950-00-903-8399 is a Transformer,power, manufactured by Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-903-8399?

NSN 5950-00-903-8399 has 1 cross-referenced part number: T1208 (Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit).

What NSN replaces 5950-00-903-8399?

There is 1 known substitute for 5950-00-903-8399: 2805-00-386-3429. Verify interchangeability with system specifications before substitution.

What are the specifications of T1208?

Key specifications for T1208: Winding Operating Voltage: 100.00 AC VOLTS NOMINAL AND 112.00 AC VOLTS NOMINAL AND 123.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY; Body Length: 3.250 INCHES NOMINAL IN; Body Height: 2.625 INCHES NOMINAL IN; Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT. 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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