AC9 — MOTOR-TACHOMETER GENERATOR
✓ Government record, cited
CDA INTERCORP LLC · MOTOR
PRODUCT OVERVIEW
AC9: MOTOR-TACHOMETER GENERATOR.
The MOTOR-TACHOMETER GENERATOR is a CDA INTERCORP LLC industrial component. Key specifications include TEMP RATING: -55.0 OPERATING CELSIUS AND 125.0 OPERATING CELSIUS, CURRENT TYPE: AC INPUT, OVERALL WIDTH: 1.000 INCHES IN, OVERALL LENGTH: 2.540 INCHES IN, ENCLOSURE FEATURE: TOTALLY ENCLOSED, FREQUENCY IN HERTZ: 400.0 OUTPUT. This part is cataloged in the U.S.
Government catalog under NSN 6105-00-982-9274, 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
AC9
NSN: 6105-00-982-9274 FSC: 6105 — Motors, ElectricalCAGE: 51761 — CDA INTERCORP LLC (USA)
SPECIFICATIONS
TEMP RATING -55.0 OPERATING CELSIUS AND 125.0 OPERATING CELSIUS CURRENT TYPE AC INPUT OVERALL WIDTH 1.000 INCHES IN OVERALL LENGTH 2.540 INCHES IN ENCLOSURE FEATURE TOTALLY ENCLOSED FREQUENCY IN HERTZ 400.0 OUTPUT TORQUE RATING AND TYPE 0.1 INCH-OUNCES STALLED IN ROTOR SPEED RATING IN RPM 6000.0 SINGLE NO LOAD MAXIMUM OPERATING ALTITUDE RATING 55000.0 FEET FT MOUNTING FACILITY TYPE AND QUANTITY 1 CLAMP COLLAR CONNECTION TYPE AND VOLTAGE RATING IN VOLTS 26.0 LINE TO NEUTRAL SINGLE INPUT CONTROL FIELD VOLTAGE TYPE AND RATING IN VOLTS 40.0 AC NSN 6105-00-982-9274
COMPONENT DIAGRAM
ELECTRIC MOTOR — FRAME SIZE = MOUNTING PATTERN
SHAFT
J-BOX
MOUNTING FEET — FRAME —
— · — RPM
— · —
PN: AC9 · CDA INTERCORP LLC
⚠ 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: 1 CLAMP COLLAR
• FREQUENCY IN HERTZ: 400.0 OUTPUT
• MAXIMUM OPERATING ALTITUDE RATING: 55000.0 FEET FT
• CONNECTION TYPE AND VOLTAGE RATING IN VOLTS: 26.0 LINE TO NEUTRAL SINGLE INPUT
• TORQUE RATING AND TYPE: 0.1 INCH-OUNCES STALLED IN
TECHNICAL CHARACTERISTICS
MOUNTING FACILITY TYPE AND QUANTITY 1 CLAMP COLLAR FREQUENCY IN HERTZ 400.0 OUTPUT CURRENT TYPE AC INPUT OVERALL LENGTH 2.540 INCHES IN MAXIMUM OPERATING ALTITUDE RATING 55000.0 FEET FT CONNECTION TYPE AND VOLTAGE RATING IN VOLTS 26.0 LINE TO NEUTRAL SINGLE INPUT OVERALL WIDTH 1.000 INCHES IN TORQUE RATING AND TYPE 0.1 INCH-OUNCES STALLED IN CONTROL FIELD VOLTAGE TYPE AND RATING IN VOLTS 40.0 AC ENCLOSURE FEATURE TOTALLY ENCLOSED
SUBSTITUTES & CROSS-REFERENCES 1
900142-14 Reference document Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN status Active · U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is AC9?
AC9 is a MOTOR-TACHOMETER GENERATOR manufactured by CDA INTERCORP LLC.
What parts can replace AC9?
There is 1 known substitute for AC9: 900142-14. Substitute compatibility should be verified for your specific system.
What is the NSN for AC9?
AC9 is cataloged in the U.S. Government catalog under NSN 6105-00-982-9274. This indicates validated use in U.S. government and defense supply chains.