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N1243 — GENERATOR,ALTERNATING CURRENT

✓ Government record, cited
C E NIEHOFF & CO · MOTOR
PRODUCT OVERVIEW

N1243: GENERATOR,ALTERNATING CURRENT.

The GENERATOR,ALTERNATING CURRENT is a C E NIEHOFF & CO industrial component. Key specifications include POWER RATING: 17.9 HORSEPOWER OUTPUT, COOLING METHOD: FAN COOLED, OVERALL HEIGHT: 277.6 MILLIMETERS MM, OVERALL LENGTH: 294.6 MILLIMETERS MM, CURRENT RATING IN AMPS: 260.0 HIGH OUTPUT, END ITEM IDENTIFICATION: 016220440. This part is cataloged in the U.S.

Government catalog under NSN 6115-01-657-5978, 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
N1243
NSN: 6115-01-657-5978
FSC: 6115 — Generators and Generator Sets, Electrical
CAGE: 76761 — C E NIEHOFF & CO (USA)
SPECIFICATIONS
POWER RATING17.9 HORSEPOWER OUTPUT
COOLING METHODFAN COOLED
OVERALL HEIGHT277.6 MILLIMETERS MM
OVERALL LENGTH294.6 MILLIMETERS MM
CURRENT RATING IN AMPS260.0 HIGH OUTPUT
END ITEM IDENTIFICATION016220440
LENGTH OF SHAFT FROM HOUSING59.6 MILLIMETERS SINGLE END MM
MOUNTING FACILITY CIRCLE DIAMETER13.1 MILLIMETERS MM
MOUNTING FACILITY TYPE AND QUANTITY2 UNTHREADED HOLE(S)
PART NAME ASSIGNED BY CONTROLLING AGENCYALTERNATOR OUTLINE
SHAFT CENTER TO MOUNTING SURFACE DISTANCE119.1 MILLIMETERS SINGLE END MM
NSN6115-01-657-5978
COMPONENT DIAGRAM
ELECTRIC MOTOR — FRAME SIZE = MOUNTING PATTERN SHAFT J-BOX MOUNTING FEET — FRAME — — · — RPM — · — PN: N1243 · C E NIEHOFF & CO ⚠ 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: 2 UNTHREADED HOLE(S)
•
SHAFT CENTER TO MOUNTING SURFACE DISTANCE: 119.1 MILLIMETERS SINGLE END MM
•
COOLING METHOD: FAN COOLED
•
MOUNTING FACILITY CIRCLE DIAMETER: 13.1 MILLIMETERS MM
•
LENGTH OF SHAFT FROM HOUSING: 59.6 MILLIMETERS SINGLE END MM
•
CURRENT RATING IN AMPS: 260.0 HIGH OUTPUT
TECHNICAL CHARACTERISTICS
MOUNTING FACILITY TYPE AND QUANTITY2 UNTHREADED HOLE(S)
SHAFT CENTER TO MOUNTING SURFACE DISTANCE119.1 MILLIMETERS SINGLE END MM
OVERALL LENGTH294.6 MILLIMETERS MM
COOLING METHODFAN COOLED
MOUNTING FACILITY CIRCLE DIAMETER13.1 MILLIMETERS MM
OVERALL HEIGHT277.6 MILLIMETERS MM
LENGTH OF SHAFT FROM HOUSING59.6 MILLIMETERS SINGLE END MM
CURRENT RATING IN AMPS260.0 HIGH OUTPUT
PART NAME ASSIGNED BY CONTROLLING AGENCYALTERNATOR OUTLINE
END ITEM IDENTIFICATION016220440
OTHER ITEMS IN FSC 6115 — Generators and Generator Sets, Electrical
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
6115-00-000-0100 6115-00-001-4612 6115-00-001-8553 6115-00-001-8853 6115-00-004-1782 6115-00-004-2766 6115-00-004-3786 6115-00-004-3787
SUBSTITUTES & CROSS-REFERENCES 1
4223139Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 N1243?
N1243 is a GENERATOR,ALTERNATING CURRENT manufactured by C E NIEHOFF & CO.
What parts can replace N1243?
There is 1 known substitute for N1243: 4223139. Substitute compatibility should be verified for your specific system.
What is the NSN for N1243?
N1243 is cataloged in the U.S. Government catalog under NSN 6115-01-657-5978. This indicates validated use in U.S. government and defense supply chains.
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