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S3971 — MOTOR,ALTERNATING CURRENT

✓ Government record, cited
UNITED TECHNOLOGIES-ESSEX/IWI DIV · MOTOR
PRODUCT OVERVIEW

S3971: MOTOR,ALTERNATING CURRENT.

The MOTOR,ALTERNATING CURRENT is a UNITED TECHNOLOGIES-ESSEX/IWI DIV industrial component. Key specifications include FLAT DEPTH: 0.050 INCHES NOMINAL SINGLE END IN, TEMP RATING: 40.0 AMBIENT CELSIUS, POWER RATING: 0.250 HORSEPOWER OUTPUT, WINDING TYPE: INDUCTION-SHADED POLE, OVERALL WIDTH: 5.610 INCHES IN, COOLING METHOD: SEPARATELY VENTILATED. This part is cataloged in the U.S.

Government catalog under NSN 6105-01-208-4887, 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
S3971
NSN: 6105-01-208-4887
FSC: 6105 — Motors, Electrical
CAGE: 28891 — UNITED TECHNOLOGIES-ESSEX/IWI DIV (USA)
SPECIFICATIONS
FLAT DEPTH0.050 INCHES NOMINAL SINGLE END IN
TEMP RATING40.0 AMBIENT CELSIUS
POWER RATING0.250 HORSEPOWER OUTPUT
WINDING TYPEINDUCTION-SHADED POLE
OVERALL WIDTH5.610 INCHES IN
COOLING METHODSEPARATELY VENTILATED
OVERALL HEIGHT5.610 INCHES IN
OVERALL LENGTH9.390 INCHES IN
SHAFT DIAMETER0.499 INCHES MINIMUM AND 0.500 INCHES MAXIMUM SINGLE END IN
MOUNTING METHODRESILIENT RING
SHAFT END STYLEFLATTED SINGLE END
ENCLOSURE FEATUREOPEN PROTECTED
NSN6105-01-208-4887
COMPONENT DIAGRAM
ELECTRIC MOTOR — FRAME SIZE = MOUNTING PATTERN SHAFT J-BOX MOUNTING FEET — FRAME — — · — RPM — · — PN: S3971 · UNITED TECHNOLOGIES-ESSEX/IWI DIV ⚠ 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
•
DUTY CYCLE: CONTINUOUS
•
SHAFT DIAMETER: 0.499 INCHES MINIMUM AND 0.500 INCHES MAXIMUM SINGLE END IN
•
FREQUENCY IN HERTZ: 60.0 INPUT
•
SHAFT END STYLE: FLATTED SINGLE END
•
WINDING TYPE: INDUCTION-SHADED POLE
•
MOUNTING METHOD: RESILIENT RING
•
COOLING METHOD: SEPARATELY VENTILATED
TECHNICAL CHARACTERISTICS
DUTY CYCLECONTINUOUS
SHAFT DIAMETER0.499 INCHES MINIMUM AND 0.500 INCHES MAXIMUM SINGLE END IN
FREQUENCY IN HERTZ60.0 INPUT
SHAFT END STYLEFLATTED SINGLE END
OVERALL LENGTH9.390 INCHES IN
WINDING TYPEINDUCTION-SHADED POLE
MOUNTING METHODRESILIENT RING
COOLING METHODSEPARATELY VENTILATED
SHAFT ROTATION DIRECTIONCLOCKWISE SINGLE END
FEATURES PROVIDEDAUTOMATIC RESET
OTHER ITEMS IN FSC 6105 — Motors, Electrical
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
6105-00-001-1471 6105-00-001-1473 6105-00-001-1497 6105-00-001-1710 6105-00-001-1712 6105-00-001-2097 6105-00-001-2098 6105-00-001-3680
SUBSTITUTES & CROSS-REFERENCES 1
5KSP39MG6126TReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is S3971?
S3971 is a MOTOR,ALTERNATING CURRENT manufactured by UNITED TECHNOLOGIES-ESSEX/IWI DIV.
What parts can replace S3971?
There is 1 known substitute for S3971: 5KSP39MG6126T. Substitute compatibility should be verified for your specific system.
What is the NSN for S3971?
S3971 is cataloged in the U.S. Government catalog under NSN 6105-01-208-4887. This indicates validated use in U.S. government and defense supply chains.
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