PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

TRS164Transformer,power Autotransforme

The Boeing Company Div Defense · NSN 5950-00-997-8343 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-997-8343 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-997-8343. Primary manufacturer part number: TRS164.
Features
  • Transformer,power Autotransforme — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Mounting Facility Quantity: 4 SINGLE GROUP
  • Winding Operating Voltage: 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY INPUT
  • Inclosure Type: FULLY INCLOSED
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 1.937 INCHES MINIMUM AND 2.062 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Frequency Rating: 400.0 HERTZ NOMINAL SINGLE COMPONENT
  • Winding Function and Quantity: 1 PRIMARY, FIXED AUTOTRANSFORMER TYPE SINGLE COMPONENT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power Autotransforme, cataloged under National Stock Number 5950-00-997-8343, 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 The Boeing Company Div Defense. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-997-8343
Primary Part NumberTRS164
Item NameTransformer,power Autotransforme
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerThe Boeing Company Div Defense
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Mounting Facility Quantity4 SINGLE GROUP
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY INPUT
Inclosure TypeFULLY INCLOSED
Center to Center Distance Between Mounting Facilities Parallel to Length1.937 INCHES MINIMUM AND 2.062 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Winding Function and Quantity1 PRIMARY, FIXED AUTOTRANSFORMER TYPE SINGLE COMPONENT
Winding Operating Voltage140.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY OUTPUT
Body Width3.000 INCHES MAXIMUM IN
Winding Power Rating420.0 VOLTS-AMPERES SINGLE COMPONENT SINGLE PRIMARY OUTPUT
Center to Center Distance Between Mounting Facilities Parallel to Width1.937 INCHES MINIMUM AND 2.062 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Terminal Type and Quantity3 TAB, SOLDER LUG
Mounting MethodSLOT SINGLE GROUP
Winding Operating Current3.0 AMPERES AC NOMINAL SINGLE COMPONENT SINGLE PRIMARY OUTPUT
Mounting Slot Width0.187 INCHES MINIMUM AND 0.312 INCHES MAXIMUM SINGLE GROUP IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5935-00-044-5657335C656H02 INTERCHANGEABLE
Connector,plug,electrical
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
4310-00-938-5838A44525 INTERCHANGEABLE
Blade,rotor
Jenny Products, Inc
5961-00-946-763310947488 INTERCHANGEABLE
Transistor
U S Army Tank Automotive Command Amsta-Im-Mm
6220-01-095-2616437850C91 INTERCHANGEABLE
Lens,light
Navistar Intl Corp Truck Br Ohio Plant
2920-01-104-679244-525 INTERCHANGEABLE
Plate,ignition Contact Breaker
Thermo King Corporation Dba Phoenix Global Distirbution.
2925-01-121-07614068T45G02 INTERCHANGEABLE
Exciter,ignition
General Electric Company Dba Ge Aerospace
4510-01-311-8140643-00-3 INTERCHANGEABLE
Strainer,waste Drain
Jameco Industries Inc
4520-01-328-7252 INTERCHANGEABLE
Igniter,spark,fuel
Cross-Reference Index
Part NumberManufacturer
TRS164 Mcdonnell Douglas Corp Mcdonnell Douglas Aerospace Opns West (USA)
TRS164 PRIMARY The Boeing Company Div Defense (USA)
44525 Coast/advanced Chip Magnetics, Inc. (USA)
Related Parts
5935-00-044-5657INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
335C656H02
4310-00-938-5838INTERCHANGEABLE
BLADE,ROTOR
A44525
5961-00-946-7633INTERCHANGEABLE
TRANSISTOR
10947488
6220-01-095-2616INTERCHANGEABLE
LENS,LIGHT
437850C91
2920-01-104-6792INTERCHANGEABLE
PLATE,IGNITION CONTACT BREAKER
44-525
2925-01-121-0761INTERCHANGEABLE
EXCITER,IGNITION
4068T45G02
4510-01-311-8140INTERCHANGEABLE
STRAINER,WASTE DRAIN
643-00-3
4520-01-328-7252INTERCHANGEABLE
IGNITER,SPARK,FUEL

Frequently Asked Questions

What is NSN 5950-00-997-8343?

NSN 5950-00-997-8343 is a Transformer,power Autotransforme, manufactured by The Boeing Company Div Defense, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-997-8343?

NSN 5950-00-997-8343 has 3 cross-referenced part numbers: TRS164 (Mcdonnell Douglas Corp Mcdonnell Douglas Aerospace Opns West), TRS164 (The Boeing Company Div Defense), 44525 (Coast/advanced Chip Magnetics, Inc.).

What NSN replaces 5950-00-997-8343?

There are 8 known substitutes for 5950-00-997-8343: 5935-00-044-5657, 4310-00-938-5838, 5961-00-946-7633 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of TRS164?

Key specifications for TRS164: Reliability Indicator: NOT ESTABLISHED; Mounting Facility Quantity: 4 SINGLE GROUP; Winding Operating Voltage: 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY INPUT; Inclosure Type: FULLY INCLOSED. 18 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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