PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5525-4AMotor,alternating Current

Western Sky Industries Inc Dba Electromech Techologies · NSN 6105-00-433-5591 · FSC 6105 · No Item Name Available
Verified by PartsTable
NSN 6105-00-433-5591 — this item is cataloged by the U.S. Government under National Stock Number 6105-00-433-5591. Primary manufacturer part number: 5525-4A.
Features
  • Motor,alternating Current — FSC 6105
  • Shaft Center to Mounting Surface Distance: 3.250 INCHES IDENTICAL ENDS IN
  • Shaft Rotation Direction: CLOCKWISE OR COUNTERCLOCKWISE IDENTICAL ENDS
  • Connection Type and Voltage Rating in Volts: 208.0 LINE TO NEUTRAL SINGLE INPUT
  • Nominal Center to Center Distance Between Mounting Facilities Parallel to Width: 4.250 INCHES IN
  • Shaft Diameter: 0.5000 INCHES NOMINAL IDENTICAL ENDS IN
  • Power Rating: 0.5000 HORSEPOWER OUTPUT
  • Shaft End Characteristic: A5 SINGLE STYLE IDENTICAL ENDS
Applications
  • Mechanical power generation
  • Drive system operation
  • Auxiliary equipment operation
General Description

The Motor,alternating Current, cataloged under National Stock Number 6105-00-433-5591, is classified within Federal Supply Class 6105 (No Item Name Available) of the Electric Wire, Power, and Distribution Equipment group. The primary manufacturer of record is Western Sky Industries Inc Dba Electromech Techologies. Government technical data includes 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6105-00-433-5591
Primary Part Number5525-4A
Item NameMotor,alternating Current
FSC / FSG6105 / 61 — No Item Name Available
ManufacturerWestern Sky Industries Inc Dba Electromech Techologies
StatusACTIVE
Shaft Center to Mounting Surface Distance3.250 INCHES IDENTICAL ENDS IN
Shaft Rotation DirectionCLOCKWISE OR COUNTERCLOCKWISE IDENTICAL ENDS
Connection Type and Voltage Rating in Volts208.0 LINE TO NEUTRAL SINGLE INPUT
Nominal Center to Center Distance Between Mounting Facilities Parallel to Width4.250 INCHES IN
Shaft Diameter0.5000 INCHES NOMINAL IDENTICAL ENDS IN
Power Rating0.5000 HORSEPOWER OUTPUT
Shaft End CharacteristicA5 SINGLE STYLE IDENTICAL ENDS
Frequency in Hertz400.0 INPUT
Mounting Facility Type and Quantity4 UNTHREADED HOLE(S)
Flat Depth0.0310 INCHES NOMINAL IDENTICAL ENDS IN
Enclosure FeatureTOTALLY ENCLOSED
Inclosure SpecificationNEMA
Length of Shaft From Housing3.000 INCHES SECOND END IN
Frame Size Designation48
PhaseTHREE INPUT
Nominal Center to Center Distance Between Mounting Facilities Parallel to Length2.750 INCHES IN
Winding TypeINDUCTION-SQUIRREL CAGE
Duty CycleCONTINUOUS
Flatted Portion Length1.5000 INCHES NOMINAL IDENTICAL ENDS IN
Features ProvidedTHERMAL PROTECTIVE DEVICE AND HORIZONTAL MOUNTING POSITION
Rotor Speed Rating in RPM1845.0 SINGLE FULL LOAD
Cooling MethodNONVENTILATED
Length of Shaft From Housing1.812 INCHES FIRST END IN
Terminal Type and Quantity3 WIRE LEAD
Mounting MethodFIXED BASE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 5
5990-00-112-244055069 INTERCHANGEABLE
Synchro,transmitter
Bowmar Llc Dba Bowmar Instrument Corp
3110-00-155-8930067-4 INTERCHANGEABLE
Bearing,ball,annular
Lockheed Martin Corporation Div Rms - Mitchel Field
3020-00-617-7733 INTERCHANGEABLE
Pulley,groove
5330-00-641-218353X2901 INTERCHANGEABLE
Seal,plain Encased
Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc
5940-00-984-805355069 INTERCHANGEABLE
Terminal,lug
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
Cross-Reference Index
Part NumberManufacturer
5525-4A PRIMARY Western Sky Industries Inc Dba Electromech Techologies (USA)
55069 Hdt Expeditionary Systems Inc (USA)
55069 Drs Environmental Systems Inc (USA)
55069 Keco Industries, Inc. (USA)
Related Parts
5990-00-112-2440INTERCHANGEABLE
SYNCHRO,TRANSMITTER
55069
3110-00-155-8930INTERCHANGEABLE
BEARING,BALL,ANNULAR
067-4
3020-00-617-7733INTERCHANGEABLE
PULLEY,GROOVE
5330-00-641-2183INTERCHANGEABLE
SEAL,PLAIN ENCASED
53X2901
5940-00-984-8053INTERCHANGEABLE
TERMINAL,LUG
55069

Frequently Asked Questions

What is NSN 6105-00-433-5591?

NSN 6105-00-433-5591 is a Motor,alternating Current, manufactured by Western Sky Industries Inc Dba Electromech Techologies, classified under FSC 6105 (No Item Name Available). Status: active.

What are the part numbers for NSN 6105-00-433-5591?

NSN 6105-00-433-5591 has 4 cross-referenced part numbers: 5525-4A (Western Sky Industries Inc Dba Electromech Techologies), 55069 (Hdt Expeditionary Systems Inc), 55069 (Drs Environmental Systems Inc), 55069 (Keco Industries, Inc.).

What NSN replaces 6105-00-433-5591?

There are 5 known substitutes for 6105-00-433-5591: 5990-00-112-2440, 3110-00-155-8930, 3020-00-617-7733 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5525-4A?

Key specifications for 5525-4A: Shaft Center to Mounting Surface Distance: 3.250 INCHES IDENTICAL ENDS IN; Shaft Rotation Direction: CLOCKWISE OR COUNTERCLOCKWISE IDENTICAL ENDS; Connection Type and Voltage Rating in Volts: 208.0 LINE TO NEUTRAL SINGLE INPUT; Nominal Center to Center Distance Between Mounting Facilities Parallel to Width: 4.250 INCHES IN. 28 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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