PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

39173Transformer,power

Telephonics Corp/prd Instruments · NSN 5950-01-014-7906 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-014-7906 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-014-7906. Primary manufacturer part number: 39173.
Features
  • Transformer,power — FSC 5950
  • Transformer Winding Connection Type: DELTA-WYE
  • Mounting Method: UNTHREADED HOLE(S) SINGLE GROUP
  • Winding Operating Current: 300.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
  • Body Width: 3.000 INCHES MAXIMUM IN
  • Maximum Operating Temp: 90.0 CELSIUS DEGC
  • Inclosure Type: FULLY INCLOSED
  • Input-Output Phase Relationship: THREE PHASE TO SIX PHASE 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 5950-01-014-7906, 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/prd Instruments. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-014-7906
Primary Part Number39173
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerTelephonics Corp/prd Instruments
StatusACTIVE
Transformer Winding Connection TypeDELTA-WYE
Mounting MethodUNTHREADED HOLE(S) SINGLE GROUP
Winding Operating Current300.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
Body Width3.000 INCHES MAXIMUM IN
Maximum Operating Temp90.0 CELSIUS DEGC
Inclosure TypeFULLY INCLOSED
Input-Output Phase RelationshipTHREE PHASE TO SIX PHASE SINGLE COMPONENT
Winding Operating Voltage10.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Center to Center Distance Between Mounting Facilities Parallel to Width2.688 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Voltage200.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Mounting Facility Quantity4 SINGLE GROUP
Winding Function and Quantity1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Terminal Type and Quantity17 TAB, SOLDER LUG
Winding Operating Voltage8.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Mounting Hole Diameter0.172 INCHES NOMINAL SINGLE GROUP IN
Body Height1.100 INCHES NOMINAL IN
Winding Operating Current6.0 AMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Body Length3.500 INCHES MAXIMUM IN
Reliability IndicatorNOT ESTABLISHED
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Winding Power Rating63.0 WATTS SINGLE COMPONENT ALL SECONDARY
Center to Center Distance Between Mounting Facilities Parallel to Length3.188 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5905-00-459-5492CM35930 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Clarostat Sensors and Controls
5930-01-285-66653917-3 INTERCHANGEABLE
Switch,push
Howell Laboratories Inc Dba Howell Laboratories Inc
3120-01-506-939841979 INTERCHANGEABLE
Bearing,sleeve
Moog Inc. Dba Ampac-Isp Corp
5305-01-561-657939173 INTERCHANGEABLE
Screw,cap,hexagon Head
Barnes Group Inc. Dba Barnes Distribution
Cross-Reference Index
Part NumberManufacturer
39173 Peraton Inc (USA)
39173 PRIMARY Telephonics Corp/prd Instruments (USA)
39173 Telephonics Corp (USA)
PEI 7548 Precision Electronics, Inc (USA)
ST29027 Sterling Transformer Corp (USA)
41979 Coast/advanced Chip Magnetics, Inc. (USA)
172128 Voltampere Corp (USA)
450-1223-000 Magnatronix Corporation (USA)
Related Parts
5905-00-459-5492INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
CM35930
5930-01-285-6665INTERCHANGEABLE
SWITCH,PUSH
3917-3
3120-01-506-9398INTERCHANGEABLE
BEARING,SLEEVE
41979
5305-01-561-6579INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
39173

Frequently Asked Questions

What is NSN 5950-01-014-7906?

NSN 5950-01-014-7906 is a Transformer,power, manufactured by Telephonics Corp/prd Instruments, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-014-7906?

NSN 5950-01-014-7906 has 8 cross-referenced part numbers: 39173 (Peraton Inc), 39173 (Telephonics Corp/prd Instruments), 39173 (Telephonics Corp), PEI 7548 (Precision Electronics, Inc), ST29027 (Sterling Transformer Corp) and 3 more.

What NSN replaces 5950-01-014-7906?

There are 4 known substitutes for 5950-01-014-7906: 5905-00-459-5492, 5930-01-285-6665, 3120-01-506-9398 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 39173?

Key specifications for 39173: Transformer Winding Connection Type: DELTA-WYE; Mounting Method: UNTHREADED HOLE(S) SINGLE GROUP; Winding Operating Current: 300.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY; Body Width: 3.000 INCHES MAXIMUM IN. 22 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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