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Technical Data Sheet
PartsTable / COMPONENT / 1243BM1665M5820
1243BM1665M5820 ✓ 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 1243BM1665M5820 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 6105-00-015-0971, 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
CAGE: 64731 — WESTERN SKY INDUSTRIES INC DBA ELECTROMECH TECHOLOGIES (USA)
SPECIFICATIONS
Part Number1243BM1665M5820
NSN6105-00-015-0971
COMPONENT DIAGRAM
ELECTRIC MOTOR — FRAME SIZE = MOUNTING PATTERN SHAFT J-BOX MOUNTING FEET — FRAME — — · — RPM — · — PN: 1243BM1665M5820 · 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
•
TEMP RATING: 50.0 OPERATING CELSIUS AND 45.0 AMBIENT CELSIUS
•
NOMINAL CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH: 3.250 INCHES IN
•
DUTY CYCLE: CONTINUOUS
•
FREQUENCY IN HERTZ: 60.0 INPUT
•
INCLOSURE SPECIFICATION: COMMERCIAL
•
PHASE: THREE INPUT
•
MOUNTING FACILITY TYPE AND QUANTITY: 4 UNTHREADED HOLE(S)
TECHNICAL CHARACTERISTICS (FLIS)
TEMP RATING50.0 OPERATING CELSIUS AND 45.0 AMBIENT CELSIUS
NOMINAL CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH3.250 INCHES IN
DUTY CYCLECONTINUOUS
FREQUENCY IN HERTZ60.0 INPUT
INCLOSURE SPECIFICATIONCOMMERCIAL
PHASETHREE INPUT
OVERALL LENGTH9.625 INCHES IN
MOUNTING FACILITY TYPE AND QUANTITY4 UNTHREADED HOLE(S)
WINDING TYPEINDUCTION-SQUIRREL CAGE
OVERALL WIDTH6.875 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
B107.10Interchangeable
interchangeable cross-reference
interchangeable
B107.10M TY1CL3ST1Interchangeable
interchangeable cross-reference
interchangeable
5280Interchangeable
interchangeable cross-reference
interchangeable
2D56Interchangeable
interchangeable cross-reference
interchangeable
112262H1Interchangeable
interchangeable cross-reference
interchangeable
FC2678Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1243BM1665M5820?
1243BM1665M5820 is a 1243BM1665M5820.
What parts can replace 1243BM1665M5820?
There are 10 known substitutes for 1243BM1665M5820: B107.10, B107.10M TY1CL3ST1, 5280 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1243BM1665M5820?
1243BM1665M5820 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6105-00-015-0971. 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