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1243BM1665M5820 — MOTOR,ALTERNATING CURRENT

✓ Government record, cited
WESTERN SKY INDUSTRIES INC DBA ELECTROMECH TECHOLOGIES · MOTOR
PRODUCT OVERVIEW

1243BM1665M5820: MOTOR,ALTERNATING CURRENT.

The MOTOR,ALTERNATING CURRENT is a WESTERN SKY INDUSTRIES INC DBA ELECTROMECH TECHOLOGIES industrial component. Key specifications include PHASE: THREE INPUT, TEMP RATING: 50.0 OPERATING CELSIUS AND 45.0 AMBIENT CELSIUS, POWER RATING: 0.1666 HORSEPOWER OUTPUT, WINDING TYPE: INDUCTION-SQUIRREL CAGE, OVERALL WIDTH: 6.875 INCHES IN, COOLING METHOD: NONVENTILATED. This part is cataloged in the U.S.

Government catalog under NSN 6105-00-015-0971, 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
1243BM1665M5820
NSN: 6105-00-015-0971
FSC: 6105 — Motors, Electrical
CAGE: 64731 — WESTERN SKY INDUSTRIES INC DBA ELECTROMECH TECHOLOGIES (USA)
SPECIFICATIONS
PHASETHREE INPUT
TEMP RATING50.0 OPERATING CELSIUS AND 45.0 AMBIENT CELSIUS
POWER RATING0.1666 HORSEPOWER OUTPUT
WINDING TYPEINDUCTION-SQUIRREL CAGE
OVERALL WIDTH6.875 INCHES IN
COOLING METHODNONVENTILATED
OVERALL HEIGHT6.875 INCHES IN
OVERALL LENGTH9.625 INCHES IN
SHAFT DIAMETER0.3120 INCHES NOMINAL SINGLE END IN
MOUNTING METHODFIXED BASE
SPECIAL FEATURESSHAFT END STYLE 5 EXCEPT ADDITIONAL FLAT LOCATED AT 90 DEGREES,SAME DIM.
ENCLOSURE FEATURETOTALLY ENCLOSED
NSN6105-00-015-0971
COMPONENT DIAGRAM
ELECTRIC MOTOR — FRAME SIZE = MOUNTING PATTERN SHAFT J-BOX MOUNTING FEET — FRAME — — · — RPM — · — PN: 1243BM1665M5820 · WESTERN SKY INDUSTRIES INC DBA ELECTROMECH TECHOLOGIES ⚠ 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 FACILITY TYPE AND QUANTITY: 4 UNTHREADED HOLE(S)
•
DUTY CYCLE: CONTINUOUS
•
PHASE: THREE INPUT
•
SHAFT DIAMETER: 0.3120 INCHES NOMINAL SINGLE END IN
•
FREQUENCY IN HERTZ: 60.0 INPUT
•
SHAFT CENTER TO MOUNTING SURFACE DISTANCE: 3.437 INCHES SINGLE END IN
•
WINDING TYPE: INDUCTION-SQUIRREL CAGE
TECHNICAL CHARACTERISTICS
MOUNTING FACILITY TYPE AND QUANTITY4 UNTHREADED HOLE(S)
DUTY CYCLECONTINUOUS
PHASETHREE INPUT
SHAFT DIAMETER0.3120 INCHES NOMINAL SINGLE END IN
FREQUENCY IN HERTZ60.0 INPUT
SHAFT CENTER TO MOUNTING SURFACE DISTANCE3.437 INCHES SINGLE END IN
OVERALL LENGTH9.625 INCHES IN
WINDING TYPEINDUCTION-SQUIRREL CAGE
MOUNTING METHODFIXED BASE
COOLING METHODNONVENTILATED
SUBSTITUTES & CROSS-REFERENCES 1
5280Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1243BM1665M5820?
1243BM1665M5820 is a MOTOR,ALTERNATING CURRENT manufactured by WESTERN SKY INDUSTRIES INC DBA ELECTROMECH TECHOLOGIES.
What parts can replace 1243BM1665M5820?
There is 1 known substitute for 1243BM1665M5820: 5280. Substitute compatibility should be verified for your specific system.
What is the NSN for 1243BM1665M5820?
1243BM1665M5820 is cataloged in the U.S. Government catalog under NSN 6105-00-015-0971. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.