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Technical Data Sheet
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518281-3 — 518281-3

✓ Government record, cited
— · MOTOR
PRODUCT OVERVIEW

518281-3: 518281-3.

The 518281-3 is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 6105-00-952-4524, 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
518281-3
NSN: 6105-00-952-4524
FSC: 6105 — Motors, Electrical
CAGE: 71956 — RELIANCE ELECTRIC COMPANY DBA RELIANCE & DODGE BRANDS (USA)
SPECIFICATIONS
Part Number518281-3
NSN6105-00-952-4524
COMPONENT DIAGRAM
ELECTRIC MOTOR — FRAME SIZE = MOUNTING PATTERN SHAFT J-BOX MOUNTING FEET — FRAME — — · — RPM — · — PN: 518281-3 · 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
•
MOUNTING FACILITY TYPE AND QUANTITY: 4 THREADED HOLE(S) AND 4 UNTHREADED HOLE(S)
•
PHASE: THREE INPUT
•
KEYWAY CENTER TO SHAFT END DISTANCE: 1.1245 INCHES NOMINAL SINGLE END IN
•
FREQUENCY IN HERTZ: 60.0 INPUT
•
SHAFT CENTER TO MOUNTING SURFACE DISTANCE: 4.500 INCHES SINGLE END IN
•
SHAFT END STYLE: EXTERNAL THREADED AND SUNK KEYWAY AND PLAIN SINGLE END
•
WINDING TYPE: INDUCTION-SQUIRREL CAGE
TECHNICAL CHARACTERISTICS
MOUNTING FACILITY TYPE AND QUANTITY4 THREADED HOLE(S) AND 4 UNTHREADED HOLE(S)
PHASETHREE INPUT
KEYWAY CENTER TO SHAFT END DISTANCE1.1245 INCHES NOMINAL SINGLE END IN
FREQUENCY IN HERTZ60.0 INPUT
SHAFT CENTER TO MOUNTING SURFACE DISTANCE4.500 INCHES SINGLE END IN
SHAFT END STYLEEXTERNAL THREADED AND SUNK KEYWAY AND PLAIN SINGLE END
OVERALL LENGTH17.500 INCHES IN
WINDING TYPEINDUCTION-SQUIRREL CAGE
MOUNTING METHODFIXED BASE AND FACE
THREAD LENGTH0.5620 INCHES NOMINAL SINGLE END IN
SUBSTITUTES & CROSS-REFERENCES 3
S02Y891422Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
84918Reference document
Same NSN cross-reference
Reference document — Secondary reference
S020Y892600Reference 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 518281-3?
518281-3 is a 518281-3.
What parts can replace 518281-3?
There are 3 known substitutes for 518281-3: S02Y891422, 84918, S020Y892600. Substitute compatibility should be verified for your specific system.
What is the NSN for 518281-3?
518281-3 is cataloged in the U.S. Government catalog under NSN 6105-00-952-4524. This indicates validated use in U.S. government and defense supply chains.
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