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537874 ✓ 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 537874 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 6105-00-628-7433, 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
537874
NSN: 6105-00-628-7433
FSC: 6105
CAGE: 73030 — HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE (USA)
SPECIFICATIONS
Part Number537874
NSN6105-00-628-7433
COMPONENT DIAGRAM
ELECTRIC MOTOR — FRAME SIZE = MOUNTING PATTERN SHAFT J-BOX MOUNTING FEET — FRAME — — · — RPM — · — PN: 537874 · 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
•
ROTOR SPEED RATING IN RPM: 12000.0 SINGLE FULL LOAD
•
SHAFT ROTATION DIRECTION: CLOCKWISE SINGLE END
•
TAPER LENGTH: 0.2187 INCHES NOMINAL SINGLE END IN
•
SHAFT END STYLE: EXTERNAL THREADED AND TAPERED SINGLE END
•
COOLING METHOD: NONVENTILATED
•
WINDING TYPE: INDUCTION-SQUIRREL CAGE
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL HEIGHT5.740 INCHES IN
ROTOR SPEED RATING IN RPM12000.0 SINGLE FULL LOAD
SHAFT ROTATION DIRECTIONCLOCKWISE SINGLE END
TAPER LENGTH0.2187 INCHES NOMINAL SINGLE END IN
SHAFT END STYLEEXTERNAL THREADED AND TAPERED SINGLE END
COOLING METHODNONVENTILATED
OVERALL WIDTH4.720 INCHES IN
WINDING TYPEINDUCTION-SQUIRREL CAGE
MOUNTING METHODFIXED BASE
SHAFT DIAMETER0.3800 INCHES NOMINAL SINGLE END IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
SMB196649Interchangeable
interchangeable cross-reference
interchangeable
55688Interchangeable
interchangeable cross-reference
interchangeable
25944Interchangeable
interchangeable cross-reference
interchangeable
6105PL0826561Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 537874?
537874 is a 537874.
What parts can replace 537874?
There are 4 known substitutes for 537874: SMB196649, 55688, 25944 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 537874?
537874 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6105-00-628-7433. 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