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9991946 — MOTOR,ALTERNATING CURRENT

✓ Government record, cited
US ARMY AVIATION AND MISSILE COMMAND · MOTOR
PRODUCT OVERVIEW

9991946: MOTOR,ALTERNATING CURRENT.

The MOTOR,ALTERNATING CURRENT is a US ARMY AVIATION AND MISSILE COMMAND industrial component. Key specifications include PHASE: THREE INPUT, STEP LENGTH: 0.141 INCHES MINIMUM AND 0.146 INCHES MAXIMUM SINGLE END IN, TEMP RATING: -18.0 OPERATING CELSIUS AND 82.0 OPERATING CELSIUS, WINDING TYPE: SYNCHRONOUS, OVERALL WIDTH: 2.370 INCHES IN, STEP DIAMETER: 0.1870 INCHES NOMINAL SINGLE END IN. This part is cataloged in the U.S.

Government catalog under NSN 6105-00-930-1793, 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
9991946
NSN: 6105-00-930-1793
FSC: 6105 — Motors, Electrical
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
PHASETHREE INPUT
STEP LENGTH0.141 INCHES MINIMUM AND 0.146 INCHES MAXIMUM SINGLE END IN
TEMP RATING-18.0 OPERATING CELSIUS AND 82.0 OPERATING CELSIUS
WINDING TYPESYNCHRONOUS
OVERALL WIDTH2.370 INCHES IN
STEP DIAMETER0.1870 INCHES NOMINAL SINGLE END IN
COOLING METHODAMBIENT AIR
OVERALL HEIGHT2.438 INCHES IN
OVERALL LENGTH3.328 INCHES IN
SHAFT DIAMETER0.2494 INCHES MINIMUM AND 0.2498 INCHES MAXIMUM SINGLE END IN
MOUNTING METHODFACE
SHAFT END STYLESTEPPED SINGLE END
NSN6105-00-930-1793
COMPONENT DIAGRAM
ELECTRIC MOTOR — FRAME SIZE = MOUNTING PATTERN SHAFT J-BOX MOUNTING FEET — FRAME — — · — RPM — · — PN: 9991946 · US ARMY AVIATION AND MISSILE COMMAND ⚠ 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: 0.2494 INCHES MINIMUM AND 0.2498 INCHES MAXIMUM SINGLE END IN
•
FREQUENCY IN HERTZ: 400.0 INPUT
•
SHAFT END STYLE: STEPPED SINGLE END
•
WINDING TYPE: SYNCHRONOUS
TECHNICAL CHARACTERISTICS
MOUNTING FACILITY TYPE AND QUANTITY4 UNTHREADED HOLE(S)
DUTY CYCLECONTINUOUS
PHASETHREE INPUT
SHAFT DIAMETER0.2494 INCHES MINIMUM AND 0.2498 INCHES MAXIMUM SINGLE END IN
FREQUENCY IN HERTZ400.0 INPUT
SHAFT END STYLESTEPPED SINGLE END
OVERALL LENGTH3.328 INCHES IN
WINDING TYPESYNCHRONOUS
MOUNTING METHODFACE
STEP LENGTH0.141 INCHES MINIMUM AND 0.146 INCHES MAXIMUM SINGLE END IN
OTHER ITEMS IN FSC 6105 — Motors, Electrical
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
6105-00-001-1471 6105-00-001-1473 6105-00-001-1497 6105-00-001-1710 6105-00-001-1712 6105-00-001-2097 6105-00-001-2098 6105-00-001-3680
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 9991946?
9991946 is a MOTOR,ALTERNATING CURRENT manufactured by US ARMY AVIATION AND MISSILE COMMAND.
What is the NSN for 9991946?
9991946 is cataloged in the U.S. Government catalog under NSN 6105-00-930-1793. This indicates validated use in U.S. government and defense supply chains.
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