PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

T1Transformer,audio Frequency

Electronic Transformer Corp Div Electronic Transformer Corporation · NSN 5950-00-250-1788 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-250-1788 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-250-1788. Primary manufacturer part number: T1.
Features
  • Transformer,audio Frequency — FSC 5950
  • Mounting Method: UNTHREADED HOLE(S) SINGLE GROUP
  • Body Width: 2.000 INCHES NOMINAL IN
  • Transformer Function: INPUT
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 2.031 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Frequency Rating: 150.0 HERTZ MINIMUM AND 10.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 1.562 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • 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 5950-00-250-1788, 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 Electronic Transformer Corp Div Electronic Transformer Corporation. 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5950-00-250-1788
Primary Part NumberT1
Item NameTransformer,audio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerElectronic Transformer Corp Div Electronic Transformer Corporation
StatusCANCELLED
Mounting MethodUNTHREADED HOLE(S) SINGLE GROUP
Body Width2.000 INCHES NOMINAL IN
Transformer FunctionINPUT
Center to Center Distance Between Mounting Facilities Parallel to Length2.031 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Frequency Rating150.0 HERTZ MINIMUM AND 10.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Width1.562 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Impedance Rating in Ohms50.0 NOMINAL AND 100.0 NOMINAL AND 300.0 NOMINAL AND 400.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Terminal Type and Quantity8 TAB, SOLDER LUG
Primary to Secondary Turn Ratio1 TO 14-3/32 SINGLE COMPONENT
Body Height2.875 INCHES NOMINAL IN
Inclosure TypeFULLY INCLOSED
Mounting Hole Diameter0.166 INCHES NOMINAL SINGLE GROUP IN
Body Length2.438 INCHES NOMINAL IN
Reliability IndicatorNOT ESTABLISHED
Impedance Rating in Ohms80000.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Mounting Facility Quantity8 SINGLE GROUP
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5970-00-136-50402098565-1 INTERCHANGEABLE
Insulator,plate
Metalcraft, Inc Dba Metalcraft Inc Div Metalcraft Incorporated
6140-00-191-8506A-A-55439-3-1-475-D INTERCHANGEABLE
Battery,storage
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
4320-00-230-3021SB-2417-1 INTERCHANGEABLE
Pump,hydraulic Ram,hand Driven
Control Systems Co
5920-00-284-6452 INTERCHANGEABLE
Fuse,plug
5950-00-563-6867CS6576 INTERCHANGEABLE
Transformer,power
Coil Specialty Company, Inc.
5965-00-651-4350703-033-950 INTERCHANGEABLE
Microphone Element
Stromberg-Carlson Corp a Plessey Telecommunications Co
9905-00-752-46495939707 INTERCHANGEABLE
Band,marker
General Motors Corp
2940-00-825-4397C120E INTERCHANGEABLE
Filter Element,fluid
Honeywell International Inc Dba Honeywell Div Consumer Products Group
5940-00-834-5040T1 INTERCHANGEABLE
Terminal,lug
Horizon Aerospace Llc Dba Magnetics Division
5935-00-897-6386 INTERCHANGEABLE
Dummy Plug,telephone
Cross-Reference Index
Part NumberManufacturer
T1 PRIMARY Electronic Transformer Corp Div Electronic Transformer Corporation (USA)
Related Parts
5970-00-136-5040INTERCHANGEABLE
INSULATOR,PLATE
2098565-1
6140-00-191-8506INTERCHANGEABLE
BATTERY,STORAGE
A-A-55439-3-1-475-D
4320-00-230-3021INTERCHANGEABLE
PUMP,HYDRAULIC RAM,HAND DRIVEN
SB-2417-1
5920-00-284-6452INTERCHANGEABLE
FUSE,PLUG
5950-00-563-6867INTERCHANGEABLE
TRANSFORMER,POWER
CS6576
5965-00-651-4350INTERCHANGEABLE
MICROPHONE ELEMENT
703-033-950
9905-00-752-4649INTERCHANGEABLE
BAND,MARKER
5939707
2940-00-825-4397INTERCHANGEABLE
FILTER ELEMENT,FLUID
C120E
5940-00-834-5040INTERCHANGEABLE
TERMINAL,LUG
T1
5935-00-897-6386INTERCHANGEABLE
DUMMY PLUG,TELEPHONE
5345-01-053-2629INTERCHANGEABLE
ABRASIVE ROLL
5345-01-072-2965INTERCHANGEABLE
ABRASIVE ROLL
08834181717

Frequently Asked Questions

What is NSN 5950-00-250-1788?

NSN 5950-00-250-1788 is a Transformer,audio Frequency, manufactured by Electronic Transformer Corp Div Electronic Transformer Corporation, classified under FSC 5950 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5950-00-250-1788?

NSN 5950-00-250-1788 has 1 cross-referenced part number: T1 (Electronic Transformer Corp Div Electronic Transformer Corporation).

What NSN replaces 5950-00-250-1788?

There are 12 known substitutes for 5950-00-250-1788: 5970-00-136-5040, 6140-00-191-8506, 4320-00-230-3021 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of T1?

Key specifications for T1: Mounting Method: UNTHREADED HOLE(S) SINGLE GROUP; Body Width: 2.000 INCHES NOMINAL IN; Transformer Function: INPUT; Center to Center Distance Between Mounting Facilities Parallel to Length: 2.031 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5950-00-250-1788 still in active supply?

NSN 5950-00-250-1788 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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