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37MA-893977 — 37MA-893977

✓ Government record, cited
— · MOTOR
PRODUCT OVERVIEW

37MA-893977: 37MA-893977.

The 37MA-893977 is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 6105-01-346-5563, 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
37MA-893977
NSN: 6105-01-346-5563
FSC: 6105 — Motors, Electrical
CAGE: 71956 — RELIANCE ELECTRIC COMPANY DBA RELIANCE & DODGE BRANDS (USA)
SPECIFICATIONS
Part Number37MA-893977
NSN6105-01-346-5563
COMPONENT DIAGRAM
ELECTRIC MOTOR — FRAME SIZE = MOUNTING PATTERN SHAFT J-BOX MOUNTING FEET — FRAME — — · — RPM — · — PN: 37MA-893977 · 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
•
DUTY CYCLE: INTERMITTENT
•
PHASE: THREE INPUT
•
FREQUENCY IN HERTZ: 60.0 INPUT
•
FRAME SIZE DESIGNATION: 254TD
•
TIME INTERVAL: 30.0 MINUTES MAXIMUM ON
•
CONNECTION TYPE AND VOLTAGE RATING IN VOLTS: 440.0 LINE TO NEUTRAL SINGLE INPUT
•
ENCLOSURE FEATURE: DRIPPROOF PROTECTED-15 DEG
•
POWER RATING: 4.000 HORSEPOWER INPUT
TECHNICAL CHARACTERISTICS
DUTY CYCLEINTERMITTENT
PHASETHREE INPUT
FREQUENCY IN HERTZ60.0 INPUT
FRAME SIZE DESIGNATION254TD
TIME INTERVAL30.0 MINUTES MAXIMUM ON
CONNECTION TYPE AND VOLTAGE RATING IN VOLTS440.0 LINE TO NEUTRAL SINGLE INPUT
ENCLOSURE FEATUREDRIPPROOF PROTECTED-15 DEG
POWER RATING4.000 HORSEPOWER INPUT
ROTOR SPEED RATING IN RPM1755.0 SINGLE FULL LOAD
TEMP RATING50.0 AMBIENT CELSIUS
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 1
706528-206Reference document
Same NSN cross-reference
Reference document — Secondary 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 37MA-893977?
37MA-893977 is a 37MA-893977.
What parts can replace 37MA-893977?
There is 1 known substitute for 37MA-893977: 706528-206. Substitute compatibility should be verified for your specific system.
What is the NSN for 37MA-893977?
37MA-893977 is cataloged in the U.S. Government catalog under NSN 6105-01-346-5563. 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.