PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B33321Motor,direct Current

Electric Boat Corporation Div General Dynamics Electric Boat · NSN 6105-00-316-3171 · FSC 6105 · No Item Name Available
Verified by PartsTable
NSN 6105-00-316-3171 — this item is cataloged by the U.S. Government under National Stock Number 6105-00-316-3171. Primary manufacturer part number: B33321.
Features
  • Motor,direct Current — FSC 6105
  • Nominal Center to Center Distance Between Mounting Facilities Parallel to Width: 13.000 INCHES IN
  • Nominal Center to Center Distance Between Mounting Facilities Parallel to Length: 9.000 INCHES IN
  • Nominal Thread Size: 0.375 INCHES SINGLE END IN
  • Shaft Center to Mounting Surface Distance: 9.375 INCHES SINGLE END IN
  • Shaft Diameter: 1.624 INCHES MINIMUM AND 1.625 INCHES MAXIMUM SINGLE END IN
  • Thread Quantity Per Inch: 16 SINGLE END
  • Length of Shaft From Housing: 2.156 INCHES SINGLE END IN
Applications
  • Mechanical power generation
  • Drive system operation
  • Auxiliary equipment operation
General Description

The Motor,direct Current, cataloged under National Stock Number 6105-00-316-3171, 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 Electric Boat Corporation Div General Dynamics Electric Boat. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6105-00-316-3171
Primary Part NumberB33321
Item NameMotor,direct Current
FSC / FSG6105 / 61 — No Item Name Available
ManufacturerElectric Boat Corporation Div General Dynamics Electric Boat
StatusACTIVE
Nominal Center to Center Distance Between Mounting Facilities Parallel to Width13.000 INCHES IN
Nominal Center to Center Distance Between Mounting Facilities Parallel to Length9.000 INCHES IN
Nominal Thread Size0.375 INCHES SINGLE END IN
Shaft Center to Mounting Surface Distance9.375 INCHES SINGLE END IN
Shaft Diameter1.624 INCHES MINIMUM AND 1.625 INCHES MAXIMUM SINGLE END IN
Thread Quantity Per Inch16 SINGLE END
Length of Shaft From Housing2.156 INCHES SINGLE END IN
Features ProvidedINTEGRAL BRAKE
Rotor Speed Rating in RPM800.0 SINGLE NO LOAD
Power Rating5.0000 HORSEPOWER OUTPUT
Cooling MethodSELF-VENTILATED
Shaft End CharacteristicA3 FIRST STYLE AND A9 SECOND STYLE SINGLE END
Connection Type and Voltage Rating in Volts120.0 LINE TO NEUTRAL SINGLE INPUT
Keyway Depth0.3750 INCHES NOMINAL SINGLE END IN
Thread Length0.8750 INCHES NOMINAL SINGLE END IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE END
Mounting Facility Type and Quantity4 UNTHREADED HOLE(S)
Keyway Length1.8120 INCHES NOMINAL SINGLE END IN
Mounting MethodFIXED BASE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 6
3120-00-132-4983206-001-054-1 INTERCHANGEABLE
Bearing,plain,rod End
Timken Co Div the Timken Company
8345-00-262-2409 INTERCHANGEABLE
Flag,individual
4210-00-428-383222867 INTERCHANGEABLE
Nozzle,fire Equipment
Badger Fire Protection Inc
6685-01-321-58495119-1 INTERCHANGEABLE
Indicator,temperature,electrical
Smith a O Water Products Co Div of a O Smith Corp
2915-01-421-3498811885 INTERCHANGEABLE
Valve,fuel Pressurizing and Drai
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
1560-01-559-127451191 INTERCHANGEABLE
Support,structural Component,air
Aerovironment, Inc. Dba Aerovironment Inc
Cross-Reference Index
Part NumberManufacturer
B33321 Electric Boat Corp Dba Electro Dynamic (USA)
51191 Electric Boat Corp Dba Electro Dynamic (USA)
51191 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
B33321 PRIMARY Electric Boat Corporation Div General Dynamics Electric Boat (USA)
811885 United Power and Apparatus Co Inc (USA)
Related Parts
3120-00-132-4983INTERCHANGEABLE
BEARING,PLAIN,ROD END
206-001-054-1
8345-00-262-2409INTERCHANGEABLE
FLAG,INDIVIDUAL
4210-00-428-3832INTERCHANGEABLE
NOZZLE,FIRE EQUIPMENT
22867
6685-01-321-5849INTERCHANGEABLE
INDICATOR,TEMPERATURE,ELECTRICAL
5119-1
2915-01-421-3498INTERCHANGEABLE
VALVE,FUEL PRESSURIZING AND DRAI
811885
1560-01-559-1274INTERCHANGEABLE
SUPPORT,STRUCTURAL COMPONENT,AIR
51191

Frequently Asked Questions

What is NSN 6105-00-316-3171?

NSN 6105-00-316-3171 is a Motor,direct Current, manufactured by Electric Boat Corporation Div General Dynamics Electric Boat, classified under FSC 6105 (No Item Name Available). Status: active.

What are the part numbers for NSN 6105-00-316-3171?

NSN 6105-00-316-3171 has 5 cross-referenced part numbers: B33321 (Electric Boat Corp Dba Electro Dynamic), 51191 (Electric Boat Corp Dba Electro Dynamic), 51191 (Electric Boat Corporation Div General Dynamics Electric Boat), B33321 (Electric Boat Corporation Div General Dynamics Electric Boat), 811885 (United Power and Apparatus Co Inc).

What NSN replaces 6105-00-316-3171?

There are 6 known substitutes for 6105-00-316-3171: 3120-00-132-4983, 8345-00-262-2409, 4210-00-428-3832 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B33321?

Key specifications for B33321: Overall Length: 26.156 INCHES IN; Nominal Center to Center Distance Between Mounting Facilities Parallel to Width: 13.000 INCHES IN; Nominal Center to Center Distance Between Mounting Facilities Parallel to Length: 9.000 INCHES IN; Nominal Thread Size: 0.375 INCHES SINGLE END IN. 22 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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