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Technical Data Sheet
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7121-1445 — 7121-1445

✓ Government record, cited
— · MOTOR
PRODUCT OVERVIEW

7121-1445: 7121-1445.

The 7121-1445 is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 6105-00-372-4711, 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
7121-1445
NSN: 6105-00-372-4711
FSC: 6105 — Motors, Electrical
CAGE: 25325 — MILTON ROY CO HARTELL DIV (USA)
SPECIFICATIONS
Part Number7121-1445
NSN6105-00-372-4711
COMPONENT DIAGRAM
ELECTRIC MOTOR — FRAME SIZE = MOUNTING PATTERN SHAFT J-BOX MOUNTING FEET — FRAME — — · — RPM — · — PN: 7121-1445 · 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: 3 THREADED HOLE(S)
•
DUTY CYCLE: CONTINUOUS
•
PHASE: SINGLE INPUT
•
SHAFT DIAMETER: 0.2500 INCHES NOMINAL SINGLE END IN
•
FREQUENCY IN HERTZ: 50.0 OR 60.0 INPUT
•
SHAFT END STYLE: EXTERNAL THREADED AND FLATTED SINGLE END
•
WINDING TYPE: INDUCTION-SPLIT PHASE
TECHNICAL CHARACTERISTICS
MOUNTING FACILITY TYPE AND QUANTITY3 THREADED HOLE(S)
DUTY CYCLECONTINUOUS
PHASESINGLE INPUT
SHAFT DIAMETER0.2500 INCHES NOMINAL SINGLE END IN
FREQUENCY IN HERTZ50.0 OR 60.0 INPUT
SHAFT END STYLEEXTERNAL THREADED AND FLATTED SINGLE END
OVERALL LENGTH5.750 INCHES IN
WINDING TYPEINDUCTION-SPLIT PHASE
MOUNTING METHODFACE
THREAD LENGTH0.2500 INCHES NOMINAL SINGLE END IN
SUBSTITUTES & CROSS-REFERENCES 2
12-1532-51Reference document
Same NSN cross-reference
Reference document — Secondary reference
U21Reference document
Same NSN cross-reference
Reference document — Design control — primary 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 7121-1445?
7121-1445 is a 7121-1445.
What parts can replace 7121-1445?
There are 2 known substitutes for 7121-1445: 12-1532-51, U21. Substitute compatibility should be verified for your specific system.
What is the NSN for 7121-1445?
7121-1445 is cataloged in the U.S. Government catalog under NSN 6105-00-372-4711. This indicates validated use in U.S. government and defense supply chains.
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U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.