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Technical Data Sheet
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AT9-A — AT9-A

✓ Government record, cited
— · MOTOR
PRODUCT OVERVIEW

AT9-A: AT9-A.

The AT9-A is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 6105-00-857-2920, 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
AT9-A
NSN: 6105-00-857-2920
FSC: 6105 — Motors, Electrical
CAGE: 51761 — CDA INTERCORP LLC (USA)
SPECIFICATIONS
Part NumberAT9-A
NSN6105-00-857-2920
COMPONENT DIAGRAM
ELECTRIC MOTOR — FRAME SIZE = MOUNTING PATTERN SHAFT J-BOX MOUNTING FEET — FRAME — — · — RPM — · — PN: AT9-A · 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
SUBSTITUTES & CROSS-REFERENCES 2
U204103Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
MG-31Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is AT9-A?
AT9-A is a AT9-A.
What parts can replace AT9-A?
There are 2 known substitutes for AT9-A: U204103, MG-31. Substitute compatibility should be verified for your specific system.
What is the NSN for AT9-A?
AT9-A is cataloged in the U.S. Government catalog under NSN 6105-00-857-2920. This indicates validated use in U.S. government and defense supply chains.
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