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Technical Data Sheet
PartsTable / COMPONENT / S03B8538
S03B8538 ✓ 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 S03B8538 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6105-00-236-6697, 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
S03B8538
NSN: 6105-00-236-6697
FSC: 6105
CAGE: 11660 — WESTINGHOUSE ELECTRIC CORP CONTROL BUSINESS UNIT
SPECIFICATIONS
Part NumberS03B8538
NSN6105-00-236-6697
COMPONENT DIAGRAM
ELECTRIC MOTOR — FRAME SIZE = MOUNTING PATTERN SHAFT J-BOX MOUNTING FEET — FRAME — — · — RPM — · — PN: S03B8538 · 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
•
MOUNTING METHOD: FIXED BASE
•
NOMINAL CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH: 6.750 INCHES IN
•
KEYWAY WIDTH: 0.2500 INCHES NOMINAL SINGLE END IN
•
PHASE: THREE INPUT
•
TERMINAL TYPE AND QUANTITY: 3 SOLDER LUG
•
LENGTH OF SHAFT FROM HOUSING: 6.500 INCHES SINGLE END IN
•
ROTOR SPEED RATING IN RPM: 1740.0 SINGLE FULL LOAD
•
POWER RATING: 1.5000 HORSEPOWER OUTPUT
TECHNICAL CHARACTERISTICS (FLIS)
MOUNTING METHODFIXED BASE
NOMINAL CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH6.750 INCHES IN
KEYWAY WIDTH0.2500 INCHES NOMINAL SINGLE END IN
PHASETHREE INPUT
TERMINAL TYPE AND QUANTITY3 SOLDER LUG
LENGTH OF SHAFT FROM HOUSING6.500 INCHES SINGLE END IN
ROTOR SPEED RATING IN RPM1740.0 SINGLE FULL LOAD
POWER RATING1.5000 HORSEPOWER OUTPUT
FEATURES PROVIDEDHORIZONTAL MOUNTING POSITION
WINDING TYPEINDUCTION-SQUIRREL CAGE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
MILM1940SERVICEAInterchangeable
interchangeable cross-reference
interchangeable
33J193Interchangeable
interchangeable cross-reference
interchangeable
37J189Interchangeable
interchangeable cross-reference
interchangeable
S06B8550Interchangeable
interchangeable cross-reference
interchangeable
S01B8102Interchangeable
interchangeable cross-reference
interchangeable
ND90359Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is S03B8538?
S03B8538 is a S03B8538.
What parts can replace S03B8538?
There are 17 known substitutes for S03B8538: MILM1940SERVICEA, 33J193, 37J189 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for S03B8538?
S03B8538 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6105-00-236-6697. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026