PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

WTB17377Transformer,audio Frequency

Itt Industries Inc Itt Aerospace Communications Div East · NSN 5950-00-239-9537 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-239-9537 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-239-9537. Primary manufacturer part number: WTB17377.
Features
  • Transformer,audio Frequency — FSC 5950
  • Nominal Thread Size: 0.138 INCHES SINGLE GROUP IN
  • Body Length: 1.688 INCHES NOMINAL IN
  • Reliability Indicator: NOT ESTABLISHED
  • Body Height: 1.312 INCHES NOMINAL IN
  • Body Width: 1.688 INCHES NOMINAL IN
  • Mounting Method: THREADED STUD(S) SINGLE GROUP
  • Distance Between Mounting Facility Centers: 1.606 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-239-9537, 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 Itt Industries Inc Itt Aerospace Communications Div East. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-239-9537
Primary Part NumberWTB17377
Item NameTransformer,audio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerItt Industries Inc Itt Aerospace Communications Div East
StatusACTIVE
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Body Length1.688 INCHES NOMINAL IN
Reliability IndicatorNOT ESTABLISHED
Body Height1.312 INCHES NOMINAL IN
Body Width1.688 INCHES NOMINAL IN
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Distance Between Mounting Facility Centers1.606 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Maximum Transformer Power Rating15.0 DECIBELS SINGLE COMPONENT
Impedance Rating in Ohms200.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Inclosure TypeHERMETICALLY SEALED
Mounting Facility Quantity2 SINGLE GROUP
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Primary to Secondary Turn Ratio1 TO 14-1/10 SINGLE COMPONENT
Terminal Type and Quantity5 TAB, SOLDER LUG
Thread Quantity Per Inch32 SINGLE GROUP
Frequency Rating200.0 HERTZ MINIMUM AND 10.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO CORE AND BROUGHT OUT TO TERMINAL SINGLE COMPONENT
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Impedance Rating in Ohms40000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5999-00-049-9726 INTERCHANGEABLE
Contact,electrical
6520-01-119-6387 INTERCHANGEABLE
Gage,prosthodontic
4130-01-315-682335170 INTERCHANGEABLE
Compressor Unit,refrigeration
Schneider Metal Mfg Co Inc Ross Temp Div
1010-01-433-806535-170 INTERCHANGEABLE
Brush,cleaning,artillery
Break-Free Inc
6520-01-532-477835170 INTERCHANGEABLE
Carver,wax,dental
Kerr Corporation
Cross-Reference Index
Part NumberManufacturer
WTB17377 Itt Industries Inc Itt Aerospace Communications Div East (USA)
WTB17377PTW15-91 L3harris Technologies, Inc. Dba Harris Corporation (USA)
W15-91 L3harris Technologies, Inc. Dba Harris Corporation (USA)
W15-91 Itt Industries Inc Itt Aerospace Communications Div East (USA)
WTB17377PTW15-91 Itt Industries Inc Itt Aerospace Communications Div East (USA)
W15-58 Itt Industries Inc Itt Aerospace Communications Div East (USA)
W15-58 L3harris Technologies, Inc. Dba Harris Corporation (USA)
WTB17377 L3harris Technologies, Inc. Dba Harris Corporation (USA)
35170 Telephonics Corp (USA)
Related Parts
5999-00-049-9726INTERCHANGEABLE
CONTACT,ELECTRICAL
6520-01-119-6387INTERCHANGEABLE
GAGE,PROSTHODONTIC
4130-01-315-6823INTERCHANGEABLE
COMPRESSOR UNIT,REFRIGERATION
35170
1010-01-433-8065INTERCHANGEABLE
BRUSH,CLEANING,ARTILLERY
35-170
6520-01-532-4778INTERCHANGEABLE
CARVER,WAX,DENTAL
35170

Frequently Asked Questions

What is NSN 5950-00-239-9537?

NSN 5950-00-239-9537 is a Transformer,audio Frequency, manufactured by Itt Industries Inc Itt Aerospace Communications Div East, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-239-9537?

NSN 5950-00-239-9537 has 9 cross-referenced part numbers: WTB17377 (Itt Industries Inc Itt Aerospace Communications Div East), WTB17377PTW15-91 (L3harris Technologies, Inc. Dba Harris Corporation), W15-91 (L3harris Technologies, Inc. Dba Harris Corporation), W15-91 (Itt Industries Inc Itt Aerospace Communications Div East), WTB17377PTW15-91 (Itt Industries Inc Itt Aerospace Communications Div East) and 4 more.

What NSN replaces 5950-00-239-9537?

There are 5 known substitutes for 5950-00-239-9537: 5999-00-049-9726, 6520-01-119-6387, 4130-01-315-6823 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of WTB17377?

Key specifications for WTB17377: Nominal Thread Size: 0.138 INCHES SINGLE GROUP IN; Body Length: 1.688 INCHES NOMINAL IN; Reliability Indicator: NOT ESTABLISHED; Body Height: 1.312 INCHES NOMINAL 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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