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MR0051 — MOTOR,ALTERNATING CURRENT

✓ Government record, cited
MIL SPEC INC DBA MIL SPEC, INC · MOTOR
PRODUCT OVERVIEW

MR0051: MOTOR,ALTERNATING CURRENT.

The MOTOR,ALTERNATING CURRENT is a MIL SPEC INC DBA MIL SPEC, INC industrial component. Key specifications include PHASE: THREE INPUT, KEYWAY DEPTH: 0.1075 INCHES MINIMUM AND 0.1080 INCHES MAXIMUM IDENTICAL ENDS IN, KEYWAY WIDTH: 0.188 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IDENTICAL ENDS IN, POWER RATING: 0.500 HORSEPOWER OUTPUT, WINDING TYPE: INDUCTION-SQUIRREL CAGE, KEYWAY LENGTH: 1.750 INCHES NOMINAL IDENTICAL ENDS IN. This part is cataloged in the U.S.

Government catalog under NSN 6105-01-359-3763, 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
MR0051
NSN: 6105-01-359-3763
FSC: 6105 — Motors, Electrical
CAGE: 57368 — MIL SPEC INC DBA MIL SPEC, INC (USA)
SPECIFICATIONS
PHASETHREE INPUT
KEYWAY DEPTH0.1075 INCHES MINIMUM AND 0.1080 INCHES MAXIMUM IDENTICAL ENDS IN
KEYWAY WIDTH0.188 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IDENTICAL ENDS IN
POWER RATING0.500 HORSEPOWER OUTPUT
WINDING TYPEINDUCTION-SQUIRREL CAGE
KEYWAY LENGTH1.750 INCHES NOMINAL IDENTICAL ENDS IN
OVERALL WIDTH12.250 INCHES IN
COOLING METHODAMBIENT AIR
OVERALL HEIGHT3.500 INCHES IN
OVERALL LENGTH12.244 INCHES IN
SHAFT DIAMETER0.6245 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IDENTICAL ENDS IN
MOUNTING METHODFIXED BASE
NSN6105-01-359-3763
COMPONENT DIAGRAM
ELECTRIC MOTOR — FRAME SIZE = MOUNTING PATTERN SHAFT J-BOX MOUNTING FEET — FRAME — — · — RPM — · — PN: MR0051 · MIL SPEC INC DBA MIL SPEC, INC ⚠ 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
•
KEYWAY DEPTH: 0.1075 INCHES MINIMUM AND 0.1080 INCHES MAXIMUM IDENTICAL ENDS IN
•
MOUNTING FACILITY TYPE AND QUANTITY: 4 UNTHREADED HOLE(S)
•
DUTY CYCLE: CONTINUOUS
•
PHASE: THREE INPUT
•
SHAFT DIAMETER: 0.6245 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IDENTICAL ENDS IN
•
FREQUENCY IN HERTZ: 60.0 INPUT
•
WINDING TYPE: INDUCTION-SQUIRREL CAGE
TECHNICAL CHARACTERISTICS
KEYWAY DEPTH0.1075 INCHES MINIMUM AND 0.1080 INCHES MAXIMUM IDENTICAL ENDS IN
MOUNTING FACILITY TYPE AND QUANTITY4 UNTHREADED HOLE(S)
DUTY CYCLECONTINUOUS
PHASETHREE INPUT
SHAFT DIAMETER0.6245 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IDENTICAL ENDS IN
FREQUENCY IN HERTZ60.0 INPUT
OVERALL LENGTH12.244 INCHES IN
WINDING TYPEINDUCTION-SQUIRREL CAGE
MOUNTING METHODFIXED BASE
FRAME SIZE DESIGNATION56
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 2
D1-025451VMReference document
Same NSN cross-reference
Reference document — Secondary reference
D1-025451Reference document
Same NSN cross-reference
Reference document — Design control — primary 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 MR0051?
MR0051 is a MOTOR,ALTERNATING CURRENT manufactured by MIL SPEC INC DBA MIL SPEC, INC.
What parts can replace MR0051?
There are 2 known substitutes for MR0051: D1-025451VM, D1-025451. Substitute compatibility should be verified for your specific system.
What is the NSN for MR0051?
MR0051 is cataloged in the U.S. Government catalog under NSN 6105-01-359-3763. This indicates validated use in U.S. government and defense supply chains.
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