PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1UH631Motor,direct Current

Westinghouse Electric Corp · NSN 6105-00-635-5378 · FSC 6105 · No Item Name Available
Verified by PartsTable
NSN 6105-00-635-5378 — this item is cataloged by the U.S. Government under National Stock Number 6105-00-635-5378. Primary manufacturer part number: 1UH631.
Features
  • Motor,direct Current — FSC 6105
  • Thread Length: 1.7500 INCHES NOMINAL IDENTICAL ENDS IN
  • Length of Shaft From Housing: 7.000 INCHES SECOND END IN
  • Taper Length: 5.2500 INCHES NOMINAL IDENTICAL ENDS IN
  • Duty Cycle: CONTINUOUS
  • Power Rating: 100.0000 HORSEPOWER OUTPUT
  • Keyway Depth: 0.4380 INCHES NOMINAL IDENTICAL ENDS IN
  • Length of Shaft From Housing: 7.000 INCHES FIRST END IN
Applications
  • Mechanical power generation
  • Drive system operation
  • Auxiliary equipment operation
General Description

The Motor,direct Current, cataloged under National Stock Number 6105-00-635-5378, 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 Westinghouse Electric Corp. Government technical data includes 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6105-00-635-5378
Primary Part Number1UH631
Item NameMotor,direct Current
FSC / FSG6105 / 61 — No Item Name Available
ManufacturerWestinghouse Electric Corp
StatusACTIVE
Thread Length1.7500 INCHES NOMINAL IDENTICAL ENDS IN
Length of Shaft From Housing7.000 INCHES SECOND END IN
Taper Length5.2500 INCHES NOMINAL IDENTICAL ENDS IN
Duty CycleCONTINUOUS
Power Rating100.0000 HORSEPOWER OUTPUT
Keyway Depth0.4380 INCHES NOMINAL IDENTICAL ENDS IN
Length of Shaft From Housing7.000 INCHES FIRST END IN
Temp Rating50.0 AMBIENT CELSIUS AND 40.0 OPERATING CELSIUS
Shaft Diameter3.6250 INCHES NOMINAL IDENTICAL ENDS IN
Cooling MethodSELF-VENTILATED
Mounting MethodFIXED BASE
Shaft End CharacteristicA2 FIRST STYLE AND A29 SECOND STYLE IDENTICAL ENDS
Connection Type and Voltage Rating in Volts230.0 LINE TO NEUTRAL SINGLE INPUT
Taper1.250 PER FOOT IN INCHES IDENTICAL ENDS
Enclosure FeatureDRIPPROOF-15 DEG
Features ProvidedVERTICAL MOUNTING POSITION
Mounting Facility Type and Quantity4 UNTHREADED HOLE(S)
Nominal Center to Center Distance Between Mounting Facilities Parallel to Width22.500 INCHES IN
Inclosure SpecificationMIL-STD-108
Current Rating MethodLOAD
Rotor Speed Rating in RPM825.0 SINGLE FULL LOAD
Winding TypeCOMPOUND WOUND
Current Rating in Amps367.000 SINGLE INPUT
Shaft Center to Mounting Surface Distance13.375 INCHES SINGLE END IN
Keyway Width0.8750 INCHES NOMINAL IDENTICAL ENDS IN
Nominal Center to Center Distance Between Mounting Facilities Parallel to Length28.500 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 12
6105-00-475-2645 INTERCHANGEABLE
Motor,direct Current
6105-00-500-1271 INTERCHANGEABLE
Motor,direct Current
6105-00-500-2781 INTERCHANGEABLE
Motor,direct Current
6105-00-504-00343B7721 INTERCHANGEABLE
Motor,direct Current
Westinghouse Electric Corp
6105-00-635-0575MM8146089 INTERCHANGEABLE
Motor,direct Current
General Electric Company
6105-00-635-0683W707816 INTERCHANGEABLE
Motor,direct Current
General Electric Company
6105-00-635-234534J463 INTERCHANGEABLE
Motor,direct Current
Westinghouse Electric Corp
6105-00-635-2358WW8118750 INTERCHANGEABLE
Motor,direct Current
General Electric Company
6105-00-635-3704G309-377 INTERCHANGEABLE
Motor,direct Current
Kearfott Corporation Div Guidance and Navigation Division
6105-00-635-5365WW5051747 INTERCHANGEABLE
Motor,direct Current
General Electric Company
Cross-Reference Index
Part NumberManufacturer
S09B7367 Westinghouse Electric Corp (USA)
1UH631 PRIMARY Westinghouse Electric Corp (USA)
MILM17413SERVICEA Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
6105-00-475-2645INTERCHANGEABLE
MOTOR,DIRECT CURRENT
6105-00-500-1271INTERCHANGEABLE
MOTOR,DIRECT CURRENT
6105-00-500-2781INTERCHANGEABLE
MOTOR,DIRECT CURRENT
6105-00-504-0034INTERCHANGEABLE
MOTOR,DIRECT CURRENT
3B7721
6105-00-635-0575INTERCHANGEABLE
MOTOR,DIRECT CURRENT
MM8146089
6105-00-635-0683INTERCHANGEABLE
MOTOR,DIRECT CURRENT
W707816
6105-00-635-2345INTERCHANGEABLE
MOTOR,DIRECT CURRENT
34J463
6105-00-635-2358INTERCHANGEABLE
MOTOR,DIRECT CURRENT
WW8118750
6105-00-635-3704INTERCHANGEABLE
MOTOR,DIRECT CURRENT
G309-377
6105-00-635-5365INTERCHANGEABLE
MOTOR,DIRECT CURRENT
WW5051747
6105-00-635-5860INTERCHANGEABLE
MOTOR,DIRECT CURRENT
T8432024
6105-00-635-5861INTERCHANGEABLE
MOTOR,DIRECT CURRENT
80200

Frequently Asked Questions

What is NSN 6105-00-635-5378?

NSN 6105-00-635-5378 is a Motor,direct Current, manufactured by Westinghouse Electric Corp, classified under FSC 6105 (No Item Name Available). Status: active.

What are the part numbers for NSN 6105-00-635-5378?

NSN 6105-00-635-5378 has 3 cross-referenced part numbers: S09B7367 (Westinghouse Electric Corp), 1UH631 (Westinghouse Electric Corp), MILM17413SERVICEA (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 6105-00-635-5378?

There are 12 known substitutes for 6105-00-635-5378: 6105-00-475-2645, 6105-00-500-1271, 6105-00-500-2781 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1UH631?

Key specifications for 1UH631: Thread Length: 1.7500 INCHES NOMINAL IDENTICAL ENDS IN; Length of Shaft From Housing: 7.000 INCHES SECOND END IN; Overall Length: 55.000 INCHES IN; Taper Length: 5.2500 INCHES NOMINAL IDENTICAL ENDS IN. 29 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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