The MOTOR,ALTERNATING CURRENT is a MIL SPEC INC DBA MIL SPEC, INC industrial component. Key specifications include PHASE: THREE INPUT, TEMP RATING: 50.0 AMBIENT CELSIUS, KEYWAY DEPTH: 0.250 INCHES NOMINAL SINGLE END IN, KEYWAY WIDTH: 0.250 INCHES NOMINAL SINGLE END IN, POWER RATING: 1.500 HORSEPOWER OUTPUT, WINDING TYPE: INDUCTION-SQUIRREL CAGE. This part is cataloged in the U.S.
Government catalog under NSN 6105-01-357-9749, 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
MR1057
NSN:6105-01-357-9749 FSC:6105 — Motors, Electrical CAGE:57368 — MIL SPEC INC DBA MIL SPEC, INC (USA)
SPECIFICATIONS
PHASE
THREE INPUT
TEMP RATING
50.0 AMBIENT CELSIUS
KEYWAY DEPTH
0.250 INCHES NOMINAL SINGLE END IN
KEYWAY WIDTH
0.250 INCHES NOMINAL SINGLE END IN
POWER RATING
1.500 HORSEPOWER OUTPUT
WINDING TYPE
INDUCTION-SQUIRREL CAGE
KEYWAY LENGTH
1.880 INCHES NOMINAL SINGLE END IN
OVERALL WIDTH
9.000 INCHES IN
OVERALL HEIGHT
9.500 INCHES IN
OVERALL LENGTH
12.750 INCHES IN
SHAFT DIAMETER
1.1245 INCHES MINIMUM AND 1.1250 INCHES MAXIMUM SINGLE END IN
MOUNTING METHOD
FIXED BASE
NSN
6105-01-357-9749
COMPONENT DIAGRAM
KEY FEATURES
•
KEYWAY DEPTH: 0.250 INCHES NOMINAL SINGLE END IN
•
MOUNTING FACILITY TYPE AND QUANTITY: 4 UNTHREADED HOLE(S)
•
DUTY CYCLE: CONTINUOUS
•
PHASE: THREE INPUT
•
SHAFT DIAMETER: 1.1245 INCHES MINIMUM AND 1.1250 INCHES MAXIMUM SINGLE END IN
•
FREQUENCY IN HERTZ: 60.0 INPUT
•
SHAFT END STYLE: FLAT KEYWAY SINGLE END
TECHNICAL CHARACTERISTICS
KEYWAY DEPTH
0.250 INCHES NOMINAL SINGLE END IN
MOUNTING FACILITY TYPE AND QUANTITY
4 UNTHREADED HOLE(S)
DUTY CYCLE
CONTINUOUS
PHASE
THREE INPUT
SHAFT DIAMETER
1.1245 INCHES MINIMUM AND 1.1250 INCHES MAXIMUM SINGLE END IN
FREQUENCY IN HERTZ
60.0 INPUT
SHAFT END STYLE
FLAT KEYWAY SINGLE END
OVERALL LENGTH
12.750 INCHES IN
WINDING TYPE
INDUCTION-SQUIRREL CAGE
MOUNTING METHOD
FIXED BASE
OTHER ITEMS IN FSC 6105 — Motors, Electrical
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
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FREQUENTLY ASKED QUESTIONS
What is MR1057?
MR1057 is a MOTOR,ALTERNATING CURRENT manufactured by MIL SPEC INC DBA MIL SPEC, INC.
What parts can replace MR1057?
There are 4 known substitutes for MR1057: 89D0005 ITEM 70, D1-025439VM, 89D0005 ITEM 70VM and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MR1057?
MR1057 is cataloged in the U.S. Government catalog under NSN 6105-01-357-9749. This indicates validated use in U.S. government and defense supply chains.
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