PartsTable TECHNICAL DATA SHEET
NSN 6105-00-421-7731Government record, cited

Motor, Alternating Current6105-00-421-7731

NSN 6105-00-421-7731 · NIIN 004217731
FSC 6105 — Motors, Electrical · FSG 61 — Electric Wire, Power, and Distribution Equipment
Government record, cited
Also searched as  6105-00-421-7731 · 6105004217731 · NIIN 004217731 · 00-421-7731 · FSC 6105 Motors, Electrical · MILM1940SERVICEA · 5K2A59
Nearby stock numbers  ·
Features
  • Motor,alternating Current — FSC 6105
  • Mounting Facility Type and Quantity: 4 THREADED HOLE(S)
  • Duty Cycle: CONTINUOUS
  • Phase: THREE INPUT
  • Shaft Diameter: 0.625 INCHES MINIMUM AND 0.750 INCHES MAXIMUM SINGLE END IN
  • Frequency in Hertz: 60.0 INPUT
  • Shaft End Style: EXTERNAL THREADED AND STEPPED AND FLAT KEYWAY SINGLE END
  • Winding Type: INDUCTION-SQUIRREL CAGE
Identification
  • NSN: 6105-00-421-7731
  • NIIN: 004217731
  • FSC: 6105 — Motors, Electrical
  • FSG: 61 — Electric Wire, Power, and Distribution Equipment
General Description

The Motor,alternating Current, cataloged under National Stock Number 6105-00-421-7731, is classified within Federal Supply Class 6105 (Motors, Electrical) of the Electric Wire, Power, and Distribution Equipment group. Government technical data includes 27 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6105-00-421-7731
Item NameMotor,alternating Current
FSC / FSG6105 / 61 — Motors, Electrical
StatusACTIVE
Mounting Facility Type and Quantity4 THREADED HOLE(S)
Duty CycleCONTINUOUS
PhaseTHREE INPUT
Shaft Diameter0.625 INCHES MINIMUM AND 0.750 INCHES MAXIMUM SINGLE END IN
Frequency in Hertz60.0 INPUT
Shaft End StyleEXTERNAL THREADED AND STEPPED AND FLAT KEYWAY SINGLE END
Winding TypeINDUCTION-SQUIRREL CAGE
Mounting MethodFACE
Step Length3.4375 INCHES NOMINAL SINGLE END IN
Thread Length0.7500 INCHES NOMINAL SINGLE END IN
Cooling MethodNATURAL CONVECTION VENTILATED
Shaft Rotation DirectionCLOCKWISE OR COUNTERCLOCKWISE SINGLE END
Features ProvidedVERTICAL MOUNTING POSITION
Mounting Facility Circle Diameter6.250 INCHES IN
Nominal Thread Size0.500 INCHES SINGLE END IN
Connection Type and Voltage Rating in Volts440.0 LINE TO NEUTRAL SINGLE INPUT
Length of Shaft From Housing7.187 INCHES SINGLE END IN
Enclosure FeatureDRIPPROOF-15 DEG
Step Diameter0.6250 INCHES NOMINAL SINGLE END IN
Test Data Document81349-MIL-M-1940 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Power Rating1.2500 HORSEPOWER OUTPUT
Shaft End CharacteristicA2 FIRST STYLE AND A9 SECOND STYLE AND A12 THIRD STYLE SINGLE END
Terminal Type and Quantity3 SOLDER LUG
Thread Series DesignatorUNF SINGLE END
Rotor Speed Rating in RPM3430.0 SINGLE FULL LOAD
Temp Rating50.0 OPERATING CELSIUS AND 40.0 AMBIENT CELSIUS
Inclosure SpecificationMIL-STD-108
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
⇄ Related Items 5
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
6105-00-500-269355J738SUB2PC1T02 POSSIBLE MATCH
MOTOR,ALTERNATING CURRENT
Possible match (shared part number)Westinghouse Electric Corp
6105-00-500-4522174822 POSSIBLE MATCH
MOTOR,ALTERNATING CURRENT
Possible match (shared part number)Westinghouse Electric Corp
6105-00-548-1871ND90262 POSSIBLE MATCH
MOTOR,ALTERNATING CURRENT
Possible match (shared part number)Magnetics Intl Inc
6105-00-548-1872ND90256 POSSIBLE MATCH
MOTOR,ALTERNATING CURRENT
Possible match (shared part number)Magnetics Intl Inc
6105-00-548-24831F338 POSSIBLE MATCH
MOTOR,ALTERNATING CURRENT
Possible match (shared part number)Kearfott Corporation Div Guidance and Navigation Division
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
ReferenceMeaning
MILM1940SERVICEA 4/1 Identification reference
U.S. Government activity
5K2A59 3/9 Design control — primary reference
General Electric Company
Related Parts
6105-00-500-2693POSSIBLE MATCH
MOTOR,ALTERNATING CURRENT
55J738SUB2PC1T02
6105-00-500-4522POSSIBLE MATCH
MOTOR,ALTERNATING CURRENT
174822
6105-00-548-1871POSSIBLE MATCH
MOTOR,ALTERNATING CURRENT
ND90262
6105-00-548-1872POSSIBLE MATCH
MOTOR,ALTERNATING CURRENT
ND90256
6105-00-548-2483POSSIBLE MATCH
MOTOR,ALTERNATING CURRENT
1F338

Frequently Asked Questions

What is NSN 6105-00-421-7731?

NSN 6105-00-421-7731 is a Motor,alternating Current, classified under FSC 6105, Motors, Electrical. Status: active.

What NSN replaces 6105-00-421-7731?

5 possible matches (shared part number, not a government interchangeability claim): 6105-00-500-2693, 6105-00-500-4522, 6105-00-548-1871. Verify interchangeability with system specifications before substitution.

What are the specifications of 6105-00-421-7731?

Key specifications for 6105-00-421-7731: Mounting Facility Type and Quantity: 4 THREADED HOLE(S); Duty Cycle: CONTINUOUS; Phase: THREE INPUT; Shaft Diameter: 0.625 INCHES MINIMUM AND 0.750 INCHES MAXIMUM SINGLE END IN. 27 specifications are documented in the U.S. Government catalog.

Is NSN 6105-00-421-7731 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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