PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4-3783Transformer,power

Tranex, Inc. · NSN 5950-01-156-7847 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-156-7847 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-156-7847. Primary manufacturer part number: 4-3783.
Features
  • Transformer,power — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Body Width: 1.580 INCHES MAXIMUM IN
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
  • Body Length: 2.400 INCHES MAXIMUM IN
  • Terminal Type and Quantity: 6 WIRE LEAD
  • Winding Operating Current: 210.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-01-156-7847, 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 Tranex, Inc.. Government technical data includes 20 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-156-7847
Primary Part Number4-3783
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerTranex, Inc.
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Body Width1.580 INCHES MAXIMUM IN
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Body Length2.400 INCHES MAXIMUM IN
Terminal Type and Quantity6 WIRE LEAD
Winding Operating Current210.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Winding Operating Voltage12.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Mounting Facility Quantity2 SINGLE GROUP
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Mounting MethodBRACKET(S) AND THREADED HOLE(S) SINGLE GROUP
Winding Function and Quantity1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Body Height1.530 INCHES MAXIMUM IN
Winding Operating Voltage50.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Distance Between Mounting Facility Centers2.030 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Inclosure TypeFULLY INCLOSED
Maximum Operating Temp130.0 CELSIUS DEGC
Thread Quantity Per Inch32 SINGLE GROUP
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5950-00-135-5049586055-1 INTERCHANGEABLE
Reactor
Raytheon Company Dba Raytheon
3030-00-288-48088332153 INTERCHANGEABLE
Belt,v
U S Army Tank Automotive Command Amsta-Im-Mm
3455-00-517-596517675 INTERCHANGEABLE
Cutter,milling,end
New York Twist Drill Inc
5930-00-657-477410681758-2 INTERCHANGEABLE
Switch,thermostatic
Us Army Aviation and Missile Command
5845-00-757-330943783 INTERCHANGEABLE
Electronic Subassem
L3harris Technologies, Inc.
5975-01-152-19513307 INTERCHANGEABLE
Box Connector,electrical
Abb Installation Products Inc
Cross-Reference Index
Part NumberManufacturer
4-3783 Tranex, Inc. (USA)
40-014234-01 Interlink Communications Inc (USA)
Related Parts
5950-00-135-5049INTERCHANGEABLE
REACTOR
586055-1
3030-00-288-4808INTERCHANGEABLE
BELT,V
8332153
3455-00-517-5965INTERCHANGEABLE
CUTTER,MILLING,END
17675
5930-00-657-4774INTERCHANGEABLE
SWITCH,THERMOSTATIC
10681758-2
5845-00-757-3309INTERCHANGEABLE
ELECTRONIC SUBASSEM
43783
5975-01-152-1951INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
3307

Frequently Asked Questions

What is NSN 5950-01-156-7847?

NSN 5950-01-156-7847 is a Transformer,power, manufactured by Tranex, Inc., classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-156-7847?

NSN 5950-01-156-7847 has 2 cross-referenced part numbers: 4-3783 (Tranex, Inc.), 40-014234-01 (Interlink Communications Inc).

What NSN replaces 5950-01-156-7847?

There are 6 known substitutes for 5950-01-156-7847: 5950-00-135-5049, 3030-00-288-4808, 3455-00-517-5965 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4-3783?

Key specifications for 4-3783: Reliability Indicator: NOT ESTABLISHED; Body Width: 1.580 INCHES MAXIMUM IN; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT; Body Length: 2.400 INCHES MAXIMUM IN. 20 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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