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Technical Data Sheet
660A4-125 ✓ Verified by PartsTable
· COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The GEAR ASSEMBLY,SPEED INCREASER is a the manufacturer industrial component. Key specifications include gear_type: WORM, design_type: COMPOUND WORM GEAR, total_ratio: 4.000 TO 1, shaft_position: OUTPUT SHAFT 90 DEGREES COUNTER CLOCKWISE, input_shaft_type: STRAIGHT W/PERPENDICULAR FLATS AT END, output_shaft_type: STRAIGHT W/KEYWAY. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3010-00-125-8632, 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
660A4-125
NSN: 3010-00-125-8632
FSC: 3010
CAGE: 57733 — STEWART-WARNER CORPORATION (USA)
SPECIFICATIONS
gear_typeWORM
design_typeCOMPOUND WORM GEAR
total_ratio4.000 TO 1
shaft_positionOUTPUT SHAFT 90 DEGREES COUNTER CLOCKWISE
input_shaft_typeSTRAIGHT W/PERPENDICULAR FLATS AT END
output_shaft_typeSTRAIGHT W/KEYWAY
input_shaft_quantity1
output_shaft_quantity1
NSN3010-00-125-8632
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GEAR ASSEMBLY,SPEED INCREASER TITLE COMPONENT PN 660A4-125 MFR GEAR ASSEMBLY,SPEED IN
KEY FEATURES
GEAR TYPE: WORM
OUTPUT SHAFT QUANTITY: 1
INPUT SHAFT QUANTITY: 1
TOTAL RATIO: 4.000 TO 1
SHAFT POSITION: OUTPUT SHAFT 90 DEGREES COUNTER CLOCKWISE
INPUT SHAFT TYPE: STRAIGHT W/PERPENDICULAR FLATS AT END
OUTPUT SHAFT TYPE: STRAIGHT W/KEYWAY
DESIGN TYPE: COMPOUND WORM GEAR
TECHNICAL CHARACTERISTICS (FLIS)
GEAR TYPEWORM
OUTPUT SHAFT QUANTITY1
INPUT SHAFT QUANTITY1
TOTAL RATIO4.000 TO 1
SHAFT POSITIONOUTPUT SHAFT 90 DEGREES COUNTER CLOCKWISE
INPUT SHAFT TYPESTRAIGHT W/PERPENDICULAR FLATS AT END
OUTPUT SHAFT TYPESTRAIGHT W/KEYWAY
DESIGN TYPECOMPOUND WORM GEAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
5051Interchangeable
interchangeable cross-reference
interchangeable
5051-1Interchangeable
interchangeable cross-reference
interchangeable
215-26323-1Interchangeable
interchangeable cross-reference
interchangeable
P51Interchangeable
interchangeable cross-reference
interchangeable
514568-1Interchangeable
interchangeable cross-reference
interchangeable
11561678Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 660A4-125?
660A4-125 is a GEAR ASSEMBLY,SPEED INCREASER.
What parts can replace 660A4-125?
There are 16 known substitutes for 660A4-125: 5051, 5051-1, 215-26323-1 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 660A4-125?
660A4-125 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3010-00-125-8632. This indicates validated use in U.S. government and defense supply chains.
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