PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9166331Transformer,power

Us Army Aviation and Missile Command · NSN 5950-00-649-8349 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-649-8349 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-649-8349. Primary manufacturer part number: 9166331.
Features
  • Transformer,power — FSC 5950
  • Winding Shielding Method: INTERNAL SHIELD GROUNDED TO CORE SINGLE COMPONENT
  • Reliability Indicator: NOT ESTABLISHED
  • Input-Output Phase Relationship: THREE PHASE TO THREE PHASE SINGLE COMPONENT
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 2.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Body Length: 3.938 INCHES NOMINAL IN
  • Body Width: 3.375 INCHES NOMINAL IN
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 3.125 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,power, cataloged under National Stock Number 5950-00-649-8349, 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 Us Army Aviation and Missile Command. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-649-8349
Primary Part Number9166331
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerUs Army Aviation and Missile Command
StatusACTIVE
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO CORE SINGLE COMPONENT
Reliability IndicatorNOT ESTABLISHED
Input-Output Phase RelationshipTHREE PHASE TO THREE PHASE SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Length2.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Length3.938 INCHES NOMINAL IN
Body Width3.375 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Width3.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Voltage260.00 AC VOLTS NOMINAL SINGLE COMPONENT ALL SECONDARY
Thread Quantity Per Inch32 SINGLE GROUP
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Winding Operating Voltage416.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Mounting Facility Quantity4 SINGLE GROUP
Body Height3.125 INCHES NOMINAL IN
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Nominal Thread Size0.190 INCHES SINGLE GROUP IN
Winding Operating Current123.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT ALL SECONDARY
Terminal Type and Quantity9 TURRET
Winding Function and Quantity1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Inclosure TypeHERMETICALLY SEALED
Thread Series DesignatorUNF SINGLE GROUP
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5330-00-303-0424420743 INTERCHANGEABLE
Packing
Tyco Fire Products Lp
5895-00-320-897043187 INTERCHANGEABLE
Duct Assembly,cold
L3harris Technologies, Inc Div Space & Airborne Systems
2815-00-607-298143187 INTERCHANGEABLE
Valve,poppet,engine
Cummins Inc.
5950-00-648-331843264-3 INTERCHANGEABLE
Coil,radio Frequency
L3harris Technologies, Inc Div Space & Airborne Systems
6625-01-152-80464326-4 INTERCHANGEABLE
Divider,power,radio Frequency
Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq
5950-01-169-0025 INTERCHANGEABLE
Transformer,power
3950-01-213-752024748 INTERCHANGEABLE
Clutch
Calgon Carbon Uv Technologies Llc Dba Hyde Marine
9905-01-218-412824748 INTERCHANGEABLE
Plate,identification
Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
5930-01-359-388010648CNE-1 INTERCHANGEABLE
Switch,push
Ducommun Labarge Technologies, Inc Dba Ducommun Labarge Technologies, Inc
5895-01-387-4118 INTERCHANGEABLE
Converter,frequency,static
Cross-Reference Index
Part NumberManufacturer
292-4782G1 Raytheon Company (USA)
RYG9166331 Raytheon Company Dba Raytheon Co (USA)
9166331 PRIMARY Us Army Aviation and Missile Command (USA)
43187 Freed Transformer Co (USA)
RYG9166331 Raytheon Company (USA)
24748 Gte Products Corp Sylvania Miniature Lighting Div (USA)
292-4782G1 Raytheon Company Div Corp (USA)
43264 Coast/advanced Chip Magnetics, Inc. (USA)
TP1624 Hytronics Corp. (USA)
RYG9166331 Raytheon Company Div Corp (USA)
AE10860 Atlas Engineering Co Inc (USA)
PEI 7354 Precision Electronics, Inc (USA)
292-4782G1 Raytheon Company Dba Raytheon Co (USA)
Related Parts
5330-00-303-0424INTERCHANGEABLE
PACKING
420743
5895-00-320-8970INTERCHANGEABLE
DUCT ASSEMBLY,COLD
43187
2815-00-607-2981INTERCHANGEABLE
VALVE,POPPET,ENGINE
43187
5950-00-648-3318INTERCHANGEABLE
COIL,RADIO FREQUENCY
43264-3
6625-01-152-8046INTERCHANGEABLE
DIVIDER,POWER,RADIO FREQUENCY
4326-4
5950-01-169-0025INTERCHANGEABLE
TRANSFORMER,POWER
3950-01-213-7520INTERCHANGEABLE
CLUTCH
24748
9905-01-218-4128INTERCHANGEABLE
PLATE,IDENTIFICATION
24748
5930-01-359-3880INTERCHANGEABLE
SWITCH,PUSH
10648CNE-1
5895-01-387-4118INTERCHANGEABLE
CONVERTER,FREQUENCY,STATIC
5120-01-398-7689INTERCHANGEABLE
HANDLE,SOCKET WRENCH
4130-01-400-0723INTERCHANGEABLE
FILTER ELEMENT,AIR CONDITIONING
43264-1

Frequently Asked Questions

What is NSN 5950-00-649-8349?

NSN 5950-00-649-8349 is a Transformer,power, manufactured by Us Army Aviation and Missile Command, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-649-8349?

NSN 5950-00-649-8349 has 13 cross-referenced part numbers: 292-4782G1 (Raytheon Company), RYG9166331 (Raytheon Company Dba Raytheon Co), 9166331 (Us Army Aviation and Missile Command), 43187 (Freed Transformer Co), RYG9166331 (Raytheon Company) and 8 more.

What NSN replaces 5950-00-649-8349?

There are 12 known substitutes for 5950-00-649-8349: 5330-00-303-0424, 5895-00-320-8970, 2815-00-607-2981 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 9166331?

Key specifications for 9166331: Winding Shielding Method: INTERNAL SHIELD GROUNDED TO CORE SINGLE COMPONENT; Reliability Indicator: NOT ESTABLISHED; Input-Output Phase Relationship: THREE PHASE TO THREE PHASE SINGLE COMPONENT; Center to Center Distance Between Mounting Facilities Parallel to Length: 2.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN. 21 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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