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Technical Data Sheet
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6K639 ✓ Verified by PartsTable
— · MOTOR
WHAT YOU NEED TO KNOW
NEMA frame determines mounting bolt pattern TEFC for outdoor, ODP for dry indoor only
C-face vs foot-mount — different mounting
PRODUCT OVERVIEW

The 6K639 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6105-00-043-5446, indicating validated use in U.S. government and defense logistics supply chains.

Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
6K639
NSN: 6105-00-043-5446
FSC: 6105
CAGE: 25795 — W.W. GRAINGER, INC. DIV GOVERNMENT SALES DIVISION (USA)
SPECIFICATIONS
Part Number6K639
Speed6K RPM
NSN6105-00-043-5446
COMPONENT DIAGRAM
ELECTRIC MOTOR — FRAME SIZE = MOUNTING PATTERN SHAFT J-BOX MOUNTING FEET — FRAME — — · — RPM — · — PN: 6K639 · OEM ⚠ VERIFY BEFORE ORDERING NEMA frame size determines mounting bolt pattern — not interchangeable. 56C ≠ 143T bolt pattern. C-face vs foot-mount vs flange — different mounting, same HP doesn't mean drop-in ✓ BROKER TIP TEFC = outdoor/washdown OK. ODP = dry indoor only. TENV = no external fan, explosion-proof areas. 1750 RPM = 4-pole (most common), 3450 RPM = 2-pole, 1150 RPM = 6-pole PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
6K RPM Speed
•
NOMINAL CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH: 3.000 INCHES IN
•
ROTOR SPEED RATING IN RPM: 1725.0 SINGLE FULL LOAD
•
LENGTH OF SHAFT FROM HOUSING: 1.880 INCHES SINGLE END IN
•
WINDING TYPE: INDUCTION-SINGLE VALUE CAPACITOR SPLIT PHASE
•
SHAFT CENTER TO MOUNTING SURFACE DISTANCE: 3.500 INCHES SINGLE END IN
•
SHAFT ROTATION DIRECTION: CLOCKWISE OR COUNTERCLOCKWISE SINGLE END
•
TEMP RATING: 40.0 OPERATING CELSIUS
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH12.010 INCHES IN
NOMINAL CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH3.000 INCHES IN
ROTOR SPEED RATING IN RPM1725.0 SINGLE FULL LOAD
LENGTH OF SHAFT FROM HOUSING1.880 INCHES SINGLE END IN
WINDING TYPEINDUCTION-SINGLE VALUE CAPACITOR SPLIT PHASE
SHAFT CENTER TO MOUNTING SURFACE DISTANCE3.500 INCHES SINGLE END IN
SHAFT ROTATION DIRECTIONCLOCKWISE OR COUNTERCLOCKWISE SINGLE END
TEMP RATING40.0 OPERATING CELSIUS
OVERALL HEIGHT8.840 INCHES IN
POWER RATING0.750 HORSEPOWER OUTPUT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
658136Interchangeable
interchangeable cross-reference
interchangeable
110-013Interchangeable
interchangeable cross-reference
interchangeable
1100-00-0002Interchangeable
interchangeable cross-reference
interchangeable
391-606-066Interchangeable
interchangeable cross-reference
interchangeable
60-3304Interchangeable
interchangeable cross-reference
interchangeable
STSM2C4Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 6K639?
6K639 is a 6K639.
What parts can replace 6K639?
There are 12 known substitutes for 6K639: 658136, 110-013, 1100-00-0002 and 9 more. Substitute compatibility should be verified for your specific system.
Is 6K639 still available?
6K639 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026