PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20745Transformer,power

Trio Laboratories Inc · NSN 5950-01-018-4598 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-018-4598 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-018-4598. Primary manufacturer part number: 20745.
Features
  • Transformer,power — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Body Length: 2.400 INCHES MAXIMUM IN
  • Winding Function and Quantity: 1 PRIMARY AND 3 SECONDARY SINGLE COMPONENT
  • Mounting Method: THREADED HOLE(S) SINGLE GROUP
  • Inclosure Type: FULLY INCLOSED
  • Thread Quantity Per Inch: 32 SINGLE GROUP
  • Winding Operating Current: 100.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT THIRD SECONDARY
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-01-018-4598, 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 Trio Laboratories Inc. Government technical data includes 23 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-018-4598
Primary Part Number20745
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerTrio Laboratories Inc
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Body Length2.400 INCHES MAXIMUM IN
Winding Function and Quantity1 PRIMARY AND 3 SECONDARY SINGLE COMPONENT
Mounting MethodTHREADED HOLE(S) SINGLE GROUP
Inclosure TypeFULLY INCLOSED
Thread Quantity Per Inch32 SINGLE GROUP
Winding Operating Current100.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT THIRD SECONDARY
Mounting Facility Quantity4 SINGLE GROUP
Winding Operating Current70.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Winding Operating Current1.2 AMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Body Width1.650 INCHES MAXIMUM IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Length1.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Body Height2.100 INCHES MAXIMUM IN
Terminal Type and Quantity11 TAB, SOLDER LUG
Winding Operating Voltage110.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Winding Operating Voltage52.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Winding Operating Voltage9.00 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY
Center to Center Distance Between Mounting Facilities Parallel to Width1.150 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
3805-00-164-842622928 INTERCHANGEABLE
Manifold Assembly,h
Komatsu America Corporation
5330-00-237-5653 INTERCHANGEABLE
Gasket
5950-00-645-210855-80377 INTERCHANGEABLE
Transformer,power
General Dynamics Mission Systems, Inc.
5935-00-721-2304370-2142-000 INTERCHANGEABLE
Backshell,electrical Connector
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
Cross-Reference Index
Part NumberManufacturer
20745 Trio Laboratories Inc (USA)
Related Parts
3805-00-164-8426INTERCHANGEABLE
MANIFOLD ASSEMBLY,H
22928
5330-00-237-5653INTERCHANGEABLE
GASKET
5950-00-645-2108INTERCHANGEABLE
TRANSFORMER,POWER
55-80377
5935-00-721-2304INTERCHANGEABLE
BACKSHELL,ELECTRICAL CONNECTOR
370-2142-000

Frequently Asked Questions

What is NSN 5950-01-018-4598?

NSN 5950-01-018-4598 is a Transformer,power, manufactured by Trio Laboratories Inc, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-018-4598?

NSN 5950-01-018-4598 has 1 cross-referenced part number: 20745 (Trio Laboratories Inc).

What NSN replaces 5950-01-018-4598?

There are 4 known substitutes for 5950-01-018-4598: 3805-00-164-8426, 5330-00-237-5653, 5950-00-645-2108 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20745?

Key specifications for 20745: Reliability Indicator: NOT ESTABLISHED; Body Length: 2.400 INCHES MAXIMUM IN; Winding Function and Quantity: 1 PRIMARY AND 3 SECONDARY SINGLE COMPONENT; Mounting Method: THREADED HOLE(S) SINGLE GROUP. 23 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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