Description
15990084 – Machine Key 3/16″ x 3/16″ x 3/4″ (Square Key)
The 15990084 Machine Key is a precision square machine key designed to secure rotating components such as pulleys, gears, or couplings to a shaft. With dimensions of 3/16 inch x 3/16 inch x 3/4 inch, this key ensures positive torque transfer and prevents slippage between the shaft and mounted component.
Manufactured to standard machine key dimensions, this part provides reliable fit, strength, and durability in lawn and turf equipment, small engines, and mechanical drive applications.
Product Details
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Part Number: 15990084
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Part Name: Machine Key (Square Key)
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Key Size: 3/16″ x 3/16″ x 3/4″
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Type: Square Machine Key
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Material: Hardened Steel
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Condition: New
Function & Features
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Secures pulleys, gears, and couplings to shafts
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Provides positive torque transmission
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Precision-cut for proper fit in keyways
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Hardened steel construction for strength and wear resistance
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Suitable for continuous-duty mechanical applications
Applications
The 15990084 Machine Key is used on select lawn mowers, outdoor power equipment, and mechanical assemblies requiring a 3/16″ x 3/16″ x 3/4″ square key.
Exact compatibility depends on shaft diameter and keyway dimensions.
This standard square machine key is ideal for maintaining secure shaft-to-component connections and reliable power transmission in mechanical systems.
