PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MR1004Motor,alternating Current

Mil Spec Inc Dba Mil Spec, Inc · NSN 6105-01-121-7956 · FSC 6105 · No Item Name Available
Verified by PartsTable
NSN 6105-01-121-7956 — this item is cataloged by the U.S. Government under National Stock Number 6105-01-121-7956. Primary manufacturer part number: MR1004.
Features
  • Motor,alternating Current — FSC 6105
  • Rotor Speed Rating in RPM: 3450.0 SINGLE FULL LOAD
  • Winding Type: INDUCTION-SINGLE VALUE CAPACITOR SPLIT PHASE
  • Frequency in Hertz: 60.0 INPUT
  • Connection Type and Voltage Rating in Volts: 115.0 LINE TO NEUTRAL SINGLE INPUT
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE END
  • Current Rating Method: LOAD
  • Features Provided: HORIZONTAL MOUNTING POSITION AND VERTICAL MOUNTING POSITION
Applications
  • Mechanical power generation
  • Drive system operation
  • Auxiliary equipment operation
General Description

The Motor,alternating Current, cataloged under National Stock Number 6105-01-121-7956, 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 Mil Spec Inc Dba Mil Spec, Inc. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6105-01-121-7956
Primary Part NumberMR1004
Item NameMotor,alternating Current
FSC / FSG6105 / 61 — No Item Name Available
ManufacturerMil Spec Inc Dba Mil Spec, Inc
StatusCANCELLED
Rotor Speed Rating in RPM3450.0 SINGLE FULL LOAD
Winding TypeINDUCTION-SINGLE VALUE CAPACITOR SPLIT PHASE
Frequency in Hertz60.0 INPUT
Connection Type and Voltage Rating in Volts115.0 LINE TO NEUTRAL SINGLE INPUT
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE END
Current Rating MethodLOAD
Features ProvidedHORIZONTAL MOUNTING POSITION AND VERTICAL MOUNTING POSITION
PhaseSINGLE INPUT
Hole Depth0.3750 INCHES NOMINAL SINGLE END IN
Thread Length0.7500 INCHES NOMINAL SINGLE END IN
Hole Diameter0.1250 INCHES NOMINAL SINGLE END IN
Shaft Diameter0.3745 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM SINGLE END IN
Length of Shaft From Housing2.437 INCHES SINGLE END IN
Shaft End StyleFLAT KEYWAY AND EXTERNAL THREADED AND DRILLED HOLE SINGLE END
Hole Center to Shaft End Distance0.3750 INCHES NOMINAL SINGLE END IN
Temp Rating50.0 OPERATING CELSIUS
Enclosure FeatureSPRAY TIGHT
Mounting MethodFACE
Terminal Type and Quantity3 WIRE LEAD
Mounting Facility Circle Diameter3.750 INCHES IN
Specific UseFAN,VANEAXIAL MODELS 768-7851; 768-7852
Power Rating0.0833 HORSEPOWER OUTPUT
Duty CycleCONTINUOUS
Shaft End CharacteristicA2 FIRST STYLE AND A9 SECOND STYLE AND A13 THIRD STYLE SINGLE END
Nominal Thread Size0.375 INCHES SINGLE END IN
Mounting Facility Type and Quantity4 THREADED HOLE(S)
Inclosure SpecificationCOMMERCIAL
Keyway Width0.124 INCHES MINIMUM AND 0.125 INCHES MAXIMUM SINGLE END IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Unit of IssueEA
Verified Substitutes 12
No Item Name Available
5315-00-010-8629108629 INTERCHANGEABLE
Pin,cotter
Chrysler Realty Company Llc Dba Daimler Chrysler
4820-00-036-17320125000002 INTERCHANGEABLE
Seat,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
5310-00-146-01725152 INTERCHANGEABLE
Nut
Textron Lycoming Inc Williamsport Plant
4810-00-308-17515152 INTERCHANGEABLE
Valve,solenoid
Parker Hannifin Corporation Div Aerospace Group Headquarters
5975-00-339-0948 INTERCHANGEABLE
Clamp,deadend
4310-00-354-84835152 INTERCHANGEABLE
Piston,compressor
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
5315-00-625-2814515-0002 INTERCHANGEABLE
Key,woodruff
Cummins Power Generation Inc.
6105-00-675-0525 INTERCHANGEABLE
Motor,alternating Current
6105-00-776-1579 INTERCHANGEABLE
Motor,alternating Current
Cross-Reference Index
Part NumberManufacturer
78H5152 Mil Spec Inc Dba Mil Spec, Inc (USA)
MR1004 PRIMARY Mil Spec Inc Dba Mil Spec, Inc (USA)
MIL-M-17059 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
5152 Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil (USA)
Related Parts
6105-01-435-5140SUCCESSOR
NO ITEM NAME AVAILABLE
5315-00-010-8629INTERCHANGEABLE
PIN,COTTER
108629
4820-00-036-1732INTERCHANGEABLE
SEAT,VALVE
0125000002
5310-00-146-0172INTERCHANGEABLE
NUT
5152
4810-00-308-1751INTERCHANGEABLE
VALVE,SOLENOID
5152
5975-00-339-0948INTERCHANGEABLE
CLAMP,DEADEND
4310-00-354-8483INTERCHANGEABLE
PISTON,COMPRESSOR
5152
5315-00-625-2814INTERCHANGEABLE
KEY,WOODRUFF
515-0002
6105-00-675-0525INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
6105-00-776-1579INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
5310-00-780-5901INTERCHANGEABLE
WASHER,SPRING TENSION
DS-934250
5940-00-901-2040INTERCHANGEABLE
TERMINAL,STUD

Frequently Asked Questions

What is NSN 6105-01-121-7956?

NSN 6105-01-121-7956 is a Motor,alternating Current, manufactured by Mil Spec Inc Dba Mil Spec, Inc, classified under FSC 6105 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6105-01-121-7956?

NSN 6105-01-121-7956 has 4 cross-referenced part numbers: 78H5152 (Mil Spec Inc Dba Mil Spec, Inc), MR1004 (Mil Spec Inc Dba Mil Spec, Inc), MIL-M-17059 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 5152 (Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil).

What NSN replaces 6105-01-121-7956?

There are 12 known substitutes for 6105-01-121-7956: 6105-01-435-5140, 5315-00-010-8629, 4820-00-036-1732 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MR1004?

Key specifications for MR1004: Rotor Speed Rating in RPM: 3450.0 SINGLE FULL LOAD; Winding Type: INDUCTION-SINGLE VALUE CAPACITOR SPLIT PHASE; Frequency in Hertz: 60.0 INPUT; Connection Type and Voltage Rating in Volts: 115.0 LINE TO NEUTRAL SINGLE INPUT. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6105-01-121-7956 still in active supply?

NSN 6105-01-121-7956 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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