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55J721SUB2PC1T018 — MOTOR,ALTERNATING CURRENT

✓ Government record, cited
WESTINGHOUSE ELECTRIC CORP · MOTOR
PRODUCT OVERVIEW

55J721SUB2PC1T018: MOTOR,ALTERNATING CURRENT.

The MOTOR,ALTERNATING CURRENT is a WESTINGHOUSE ELECTRIC CORP industrial component. Key specifications include PHASE: THREE INPUT, TEMP RATING: 50.0 OPERATING CELSIUS AND 40.0 AMBIENT CELSIUS, POWER RATING: 0.7500 HORSEPOWER OUTPUT, WINDING TYPE: INDUCTION-SQUIRREL CAGE, OVERALL WIDTH: 7.500 INCHES IN, COOLING METHOD: NONVENTILATED. This part is cataloged in the U.S.

Government catalog under NSN 6105-00-548-2262, 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
55J721SUB2PC1T018
NSN: 6105-00-548-2262
FSC: 6105 — Motors, Electrical
CAGE: 79500 — WESTINGHOUSE ELECTRIC CORP (USA)
SPECIFICATIONS
PHASETHREE INPUT
TEMP RATING50.0 OPERATING CELSIUS AND 40.0 AMBIENT CELSIUS
POWER RATING0.7500 HORSEPOWER OUTPUT
WINDING TYPEINDUCTION-SQUIRREL CAGE
OVERALL WIDTH7.500 INCHES IN
COOLING METHODNONVENTILATED
OVERALL HEIGHT11.406 INCHES IN
OVERALL LENGTH13.937 INCHES IN
SHAFT DIAMETER0.7500 INCHES NOMINAL SINGLE END IN
MOUNTING METHODFIXED BASE
ENCLOSURE FEATURETOTALLY ENCLOSED
FEATURES PROVIDEDHORIZONTAL MOUNTING POSITION
NSN6105-00-548-2262
COMPONENT DIAGRAM
ELECTRIC MOTOR — FRAME SIZE = MOUNTING PATTERN SHAFT J-BOX MOUNTING FEET — FRAME — — · — RPM — · — PN: 55J721SUB2PC1T018 · WESTINGHOUSE ELECTRIC CORP ⚠ 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: 0.7500 INCHES NOMINAL SINGLE END IN
•
FREQUENCY IN HERTZ: 60.0 INPUT
•
SHAFT CENTER TO MOUNTING SURFACE DISTANCE: 5.000 INCHES SINGLE END IN
•
WINDING TYPE: INDUCTION-SQUIRREL CAGE
TECHNICAL CHARACTERISTICS
MOUNTING FACILITY TYPE AND QUANTITY4 UNTHREADED HOLE(S)
DUTY CYCLECONTINUOUS
PHASETHREE INPUT
SHAFT DIAMETER0.7500 INCHES NOMINAL SINGLE END IN
FREQUENCY IN HERTZ60.0 INPUT
SHAFT CENTER TO MOUNTING SURFACE DISTANCE5.000 INCHES SINGLE END IN
OVERALL LENGTH13.937 INCHES IN
WINDING TYPEINDUCTION-SQUIRREL CAGE
MOUNTING METHODFIXED BASE
COOLING METHODNONVENTILATED
SUBSTITUTES & CROSS-REFERENCES 8
55J721SUB5PC1T022Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
S6301-3102281Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
55J721SUB5Reference document
Same NSN cross-reference
Reference document — Secondary reference
563-6202-933780ALT9PC25Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
55J721Reference document
Same NSN cross-reference
Reference document — Secondary reference
MILM1940AMEND1SERVICEAReference document
Same NSN cross-reference
Reference document — Identification 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 55J721SUB2PC1T018?
55J721SUB2PC1T018 is a MOTOR,ALTERNATING CURRENT manufactured by WESTINGHOUSE ELECTRIC CORP.
What parts can replace 55J721SUB2PC1T018?
There are 8 known substitutes for 55J721SUB2PC1T018: 55J721SUB5PC1T022, S6301-3102281, 55J721SUB5 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 55J721SUB2PC1T018?
55J721SUB2PC1T018 is cataloged in the U.S. Government catalog under NSN 6105-00-548-2262. 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.