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Technical Data Sheet
PartsTable / COMPONENT / D52-840
D52-840 ✓ 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 D52-840 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 6115-00-081-2031, 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
D52-840
NSN: 6115-00-081-2031
FSC: 6115
CAGE: 93742 — DRS NAVAL POWER SYSTEMS INC DBA DRS POWER & CONTROL TECHNOLOGIES INC (USA)
SPECIFICATIONS
Part NumberD52-840
NSN6115-00-081-2031
COMPONENT DIAGRAM
ELECTRIC MOTOR — FRAME SIZE = MOUNTING PATTERN SHAFT J-BOX MOUNTING FEET — FRAME — — · — RPM — · — PN: D52-840 · 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
•
IDENTIFYING NUMBER: 5SJ4324+2Y8 PART NO.
•
PRIME MOVER IDENTIFYING NUMBER: D298ER MODEL NO.
•
POWER FACTOR IN PERCENT: 80.0
•
AC WATTAGE RATING: 30.0 KILOWATTS AND 22.5 KILOWATTS
•
AMBIENT TEMP IN DEG CELSIUS: 25.000
•
TEMP RISE RATING IN DEG CELSIUS FOR CONTINUOUS OPERATION: 60.000
•
HOUSING TYPE: INCLOSED
•
PHASE: THREE AND SINGLE
TECHNICAL CHARACTERISTICS (FLIS)
IDENTIFYING NUMBER5SJ4324+2Y8 PART NO.
PRIME MOVER IDENTIFYING NUMBERD298ER MODEL NO.
POWER FACTOR IN PERCENT80.0
AC WATTAGE RATING30.0 KILOWATTS AND 22.5 KILOWATTS
AMBIENT TEMP IN DEG CELSIUS25.000
TEMP RISE RATING IN DEG CELSIUS FOR CONTINUOUS OPERATION60.000
HOUSING TYPEINCLOSED
PHASETHREE AND SINGLE
PRIME MOVER MANUFACTURER NAMEHERCULES ENGINE CO.
INCLOSURE TYPEFULLY INCLOSED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
55D6246-2Interchangeable
interchangeable cross-reference
interchangeable
MB16Interchangeable
interchangeable cross-reference
interchangeable
D52-640Interchangeable
interchangeable cross-reference
interchangeable
D52-539Interchangeable
interchangeable cross-reference
interchangeable
MB15Interchangeable
interchangeable cross-reference
interchangeable
55D6246-5Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is D52-840?
D52-840 is a D52-840.
What parts can replace D52-840?
There are 18 known substitutes for D52-840: 55D6246-2, MB16, D52-640 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for D52-840?
D52-840 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6115-00-081-2031. 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